How to Spot A Fake $100 Dollar Note Australia

by Aditya
January 20, 2026
How to Spot A Fake $100 Dollar Note Australia

Lately, there have been whispers and news reports about fake $100 notes popping up around Australia. It’s a bit worrying, right? Especially if you run a business or just handle cash regularly. You don’t want to get caught out with a dud bill. So, let’s get down to basics on how to spot a fake $100 dollar note Australia, so you can feel more confident when you’re dealing with money.

Guide on How to Spot a Fake $100 Dollar Note Australia

Alright, let’s talk about spotting a dodgy $100 note. It’s not as hard as you might think, and honestly, it’s pretty important for everyone, especially if you handle cash regularly. We’ve all heard stories, and sometimes those fake notes can slip through the cracks if you’re not paying attention.

Knowing the real deal from a fake can save you a lot of hassle and money. It’s not about being suspicious of everyone, but more about being aware of the security features the Reserve Bank of Australia puts on our money. These features are designed to be tough to copy, which is good news for us.

So, what are we looking for? We’ll go through the main things you can check pretty quickly. Think of it as a quick checklist to run through when you get a $100 note.

  • Feel the texture of the note.
  • Look through the clear window.
  • Tilt the note to see the colours change.

These security features are there for a reason, and a quick check can make a big difference. Don’t just take a note at face value; give it a once-over. It’s better to be safe than sorry, right?

Why Knowing Fake $100 Dollar Note Is Important

Look, nobody wants to get stung with a dud $100 note. It’s not just about the money itself, though that’s a big part of it. When you accept a fake bill, you’re essentially losing that amount, and for small businesses, that can really add up. It’s like giving away your product or service for free, and nobody’s got money to burn like that.

Plus, there’s the hassle. You’ve got to deal with banks, potentially the police, and it’s just a headache you don’t need. Being able to spot a fake quickly means you avoid all that drama. It protects your wallet and your business.

Here’s a quick rundown of why it matters:

  • Financial Loss: You lose the value of the note instantly.
  • Business Impact: For shops and services, it eats into profits.
  • Legal Issues: Possessing or passing on counterfeit money can land you in trouble.
  • Reputation: Constantly accepting fakes can make customers wary.

It’s not just about the big banks; it’s about everyday Aussies and local businesses staying on the right side of things. Knowing the security features helps keep the whole system honest.

If you do end up with a suspect note, it’s best to report it to the police. This helps them track down where these fakes are coming from and stop more from getting into circulation. You can find out more about reporting counterfeit notes to the police here.

Think of it as being a bit of a gatekeeper for your cash. A few seconds checking a note can save you a lot of grief down the track.

how to spot a fake $100 dollar note in Australia

Overview of Australian $100 Banknotes and Their Security Features

Australia’s $100 notes, like all our currency, are pretty clever when it comes to security. They’ve got a bunch of features built in to make them tough to copy. The Reserve Bank of Australia has put a lot of thought into this, which is why we generally have a low rate of fake money floating around. But, you know, it’s still good to know what to look for.

These notes are made from a special kind of plastic called polymer. It feels different from paper and is way more durable. You can actually scrunch it up, and it should spring back into shape. Paper fakes just won’t do that.

Here are some of the main things to check out:

  • The Clear Window: There’s a clear section that goes right through the note. It shouldn’t look like it’s been stuck on or glued. On genuine notes, this window is part of the plastic itself and should be clear, not cloudy.
  • Hidden Images: Inside that clear window, you’ll find a white image. On the $100 note, it’s a lyrebird. You should also be able to see the Australian Coat of Arms when you hold the note up to the light. There’s also a seven-pointed star that appears when you hold it up.
  • Raised Ink: If you run your finger over certain parts of the note, like the portrait or the big number ‘100’, you should feel a bit of texture. It’s called intaglio printing, and it gives the note a slightly raised feel.
  • Colour-Changing Elements: When you tilt the note, you’ll see colours shift and move. This is a pretty neat effect that’s hard to replicate.
  • Microprinting: There’s tiny text printed on the note, so small you’d need a magnifying glass to read it properly. It’s usually found in various places around the design.
  • UV Features: Under a UV light, you’ll see fluorescent patterns and serial numbers that don’t show up in normal light.

It’s worth remembering that older versions of Australian banknotes are still legal tender. While the newer notes have more advanced features, older ones still have their own security markers that are important to recognize. The key is that genuine notes are made of polymer and have distinct security elements that are difficult to fake convincingly.

Knowing these features means you can quickly check if a note feels right and looks right. It’s not about being an expert, just about paying a little attention.

Understand the Polymer Material

Alright, let’s get down to business. One of the first things you’ll notice about Australian money, especially the $100 note, is that it’s not made of paper. Nope, it’s polymer. This is a big clue right off the bat. Genuine Australian banknotes are printed on a special kind of plastic, and this material feels quite different from regular paper.

Think about it – paper money can get pretty flimsy and worn out, right? Polymer notes, on the other hand, are much more durable. They have a distinct feel, a bit waxy or smooth, and they don’t tear easily. If you get a note that feels too soft, too papery, or just generally flimsy, that’s a red flag.

Here’s a quick rundown of what to expect from the polymer:

  • Durability: It’s tough. You can’t just rip it like a piece of paper. Try it – a real note will resist tearing.
  • Texture: It feels smooth and slightly waxy, not rough or fibrous like paper.
  • Flexibility: While it’s strong, it also has a certain flexibility. It’ll crinkle, but it won’t easily crease or tear.

The feel of the polymer is a key indicator. Counterfeiters often struggle to replicate this unique material, so a note that feels ‘off’ is worth a closer look. It’s the first line of defence, so pay attention to how it feels in your hand.

So, before you even get into the fancy windows and colours, just give the note a good feel. Does it feel like plastic? Does it feel robust? If the answer is no, you might be holding a fake.

Use the Hold-to-Light Test to See the Seven-Pointed Star and Coat of Arms

Alright, so you’ve got a $100 note, and you’re not totally sure about it. One of the easiest ways to get a good look at its authenticity is by holding it up to the light. Seriously, it’s like a secret handshake for genuine notes.

When you hold a real $100 Australian banknote up to a light source, a couple of things should pop out. First off, you’ll see a distinct seven-pointed star. It’s not just a random star shape; it’s quite clear and usually appears in a diamond pattern that lines up perfectly when you hold it to the light. This star is actually formed by two diamond shapes printed on either side of the note that merge when backlit.

But that’s not all. You’ll also spot the Australian Coat of Arms. It appears as a shadow image, kind of like a watermark, right there in the light. It’s pretty detailed, so if it looks fuzzy or just like a blob, that’s a red flag.

Here’s a quick rundown of what to look for:

  • Seven-pointed star: Should be clearly visible and well-defined.
  • Australian Coat of Arms: Appears as a shadow image.
  • Alignment: The star should look like a perfect merge of shapes.

This simple test uses the way the light passes through the special materials of the banknote. Counterfeiters often struggle to replicate these transparent security features accurately, making this a really effective check.

If these elements aren’t there, or they look a bit off, it’s definitely worth looking closer at the other security features or maybe even getting a second opinion.

Tilt the Note to See Colour-Changing and Rolling Effects

Alright, so you’ve had a good feel of the note and checked out the clear window. Now, let’s get a bit fancy and tilt that $100 note around. This is where some of the really cool security features come into play, and they’re pretty hard for counterfeiters to get right.

When you tilt a genuine Australian $100 note, you should see a couple of things happen. First off, there’s a rolling colour effect. This means you’ll see a band of colour moving across the note. It’s not just a static colour; it actually appears to roll. This effect is visible on both sides of the note, which is a good sign that it’s the real deal.

On the newer polymer notes, you’ll also notice a 3D-like image that changes. For the $100 note, this often looks like a fan or a similar intricate design that shifts and moves as you tilt it. It’s not just a flat picture; it has a sense of depth.

Here’s a quick rundown of what to look for:

  • Rolling Colour Effect: A band of colour that moves across the note as you tilt it.
  • 3D Image: A detailed image (like a fan on the $100) that appears to have depth and changes as you move the note.
  • Consistency: These effects should be visible on both sides of the banknote.

If you tilt the note and nothing much happens, or the colours look dull and don’t move, that’s a bit of a red flag. It’s these dynamic visual elements that make the polymer notes so tricky to fake convincingly.

These colour-changing and rolling effects aren’t just for show; they rely on sophisticated printing techniques that are difficult to replicate. A fake note might have a static image or a poorly executed colour shift, but it won’t have that smooth, rolling motion or the convincing 3D appearance of a genuine banknote.

Feel for Raised Printing and Intaglio Texture on Genuine Notes

Okay, so you’ve looked at the windows and tilted the note. What’s next? Get your fingers involved! Genuine Australian banknotes, including the $100 note, are printed using a special technique called intaglio printing. This isn’t just fancy talk; it means that certain parts of the note have a slightly raised texture that you can actually feel.

Try running your fingertip over the portrait of Sir John Monash and Nellie Melba, as well as the large denomination number. You should feel a distinct roughness or texture. It’s not super dramatic, but it’s definitely noticeable if you’re paying attention. Counterfeit notes often feel completely flat because they’re usually just printed on regular paper or a smooth polymer without this special raised ink.

Here’s a quick rundown of what to feel for:

  • Portraits: The main portraits should have a tactile feel.
  • Denomination Numbers: The large ‘100’ should feel raised.
  • Text: Some of the text elements might also have this raised quality.

It’s a bit like the difference between a smooth photograph and a textured painting. If the note feels uniformly flat and slick everywhere, that’s a big red flag.

This raised printing is a deliberate security feature designed to be difficult to replicate with standard printing equipment. It’s a subtle but effective way to distinguish a real note from a fake one.

Think of it as a secret handshake for your fingertips. If you’re unsure, it can be helpful to compare the feel of a suspect note to one you know is genuine. You can often find examples of these security features, including raised printing, at the Reserve Bank of Australia Museum if you want to see how it’s done up close.

Check for Microprinting and Fine Detail You Can See Under Magnification

Alright, so you’ve had a good feel of the note and checked the obvious bits. Now, let’s get a bit more serious and bring out the magnifying glass. Genuine Australian banknotes, especially the $100 note, are packed with incredibly tiny details that are super hard to fake. We’re talking about microprinting.

This isn’t just a few small words; it’s text so small that most of us would need a magnifying glass or a good loupe to even see it clearly. On Australian notes, you’ll often find this microprinting repeated around the borders or within design elements. For instance, you might find the denomination of the note, like ‘100’, printed in a tiny loop or line.

The key here is that this microprinting should be sharp and clear, not blurry or smudged. If you’re looking at it under magnification and it looks like a blob or just a faint line, that’s a big red flag. Counterfeiters often struggle to replicate this level of detail.

Here’s what to look out for:

  • Repeated Denomination: Look for the number ‘100’ printed in very small text, often in a repeating pattern along certain lines or borders.
  • Fine Line Patterns: Genuine notes have intricate line work that forms background patterns. Under magnification, these lines should be consistent and unbroken.
  • Text Within Designs: Sometimes, the names of the people featured on the note, or other relevant text, are also microprinted within the artwork itself.

It’s a bit like looking at a high-resolution photo versus a blurry photocopy. The difference is usually pretty stark when you get up close and personal with a magnifier.

Remember, the goal of microprinting isn’t just to look fancy; it’s a security feature designed to be difficult and expensive to reproduce accurately. If it looks messy or unreadable under magnification, it’s probably not the real deal.

So, grab a magnifying glass – maybe keep one handy if you handle a lot of cash – and take a peek at those fine details. It’s a simple step that can reveal a lot about a note’s authenticity.

UV Light Test

Alright, so you’ve checked the feel, the windows, and the tilt-and-see bits. What’s next? Grab yourself a UV light, like the kind you might see at a club or a security desk. Genuine Australian $100 notes have some pretty neat tricks up their sleeve when it comes to UV light.

The serial numbers on our notes glow under ultraviolet light. It’s a simple but effective way to check if you’ve got the real deal. Counterfeiters often miss this detail, or their attempts don’t quite match up.

Here’s what you should be looking for:

  • Fluorescent Serial Numbers: The serial number printed on the note should light up brightly and clearly under UV light. It’s usually a distinct colour, often blue or green, depending on the series of the note.
  • Hidden Ink Patterns: Beyond the serial number, there are often other specific patterns or markings on the note that will fluoresce under UV. These are designed to be hard to replicate.
  • Overall Glow: A genuine note will have a certain luminescence under UV, while a fake might look dull, have patchy glowing areas, or glow in unexpected places.

It’s worth noting that older Australian banknotes (pre-2016) had different UV features compared to the newer ones. For instance, older notes would show the serial number and the denomination of the note glowing under UV. The newer notes have more sophisticated features, but the glowing serial number remains a key indicator.

Remember, the year the note was printed is often indicated by the first two digits of the serial number. So, ’99’ means 1999, and ’03’ means 2003. This detail should also be visible and consistent under UV light if it’s a genuine note from that era.

The Scrunch Test

You know, sometimes the simplest tests are the most revealing. When it comes to Australian polymer banknotes, especially that $100 note, there’s a little trick you can do that often catches out fakes straight away. It’s called the scrunch test, and it’s all about the material.

Genuine Australian $100 notes are made from a special kind of plastic called polymer. This stuff is pretty tough and has a unique feel to it. Unlike regular paper money you might find in other countries, or even older Australian notes, polymer notes don’t just crumple into a permanent mess. If you give a real $100 note a good scrunch up in your hand, it should spring back into shape pretty much straight away. It might feel a bit crinkled for a moment, sure, but it won’t stay a crumpled ball.

Now, here’s the giveaway for many fakes. Counterfeiters often try to replicate the look of polymer, but they usually end up using paper or a lower-quality plastic. When you try to scrunch one of these up, it’ll likely feel flimsy, and worse, it’ll stay crumpled. It just won’t have that resilience that a genuine polymer note possesses. It’s a bit like comparing a crisp new shirt to an old, worn-out rag – you can just tell the difference in how they handle.

So, next time you’re checking a $100 note, give it a gentle scrunch. If it feels like it’s going to tear easily or just stays a crumpled mess, that’s a pretty big red flag. It’s not foolproof on its own, of course, but combined with other checks, it’s a really quick way to spot a dodgy note.

Here’s a quick rundown:

  • Genuine Note: Feels like plastic, springs back into shape after scrunching.
  • Fake Note: Often feels like paper, stays crumpled, might feel flimsy or tear easily.
  • Why it works: Real polymer is designed for durability and resilience, unlike most paper counterfeits.

Remember, while the scrunch test is a great indicator, it’s just one piece of the puzzle. Always use it alongside other security features like the clear window and the feel of the raised printing to be sure.

Common Signs of Fake $100 Notes in Australia to Watch For

Alright, so you’ve got a $100 note in your hand, and you’re wondering if it’s the real deal. It happens, right? Sometimes those fake ones can look pretty convincing, especially if you’re busy or not paying super close attention. But there are definitely a few things that give them away if you know what to look for.

One of the first things to notice is the feel of the note itself. Genuine Australian $100 notes are made of polymer, which is a special kind of plastic. They’re not like paper money you might see elsewhere. This polymer feels smooth and a bit waxy, and it’s pretty tough. If a note feels flimsy, too papery, or just generally ‘off’ in your hand, that’s a red flag. A fake note might feel too smooth, too stiff, or even a bit greasy.

Sometimes, counterfeiters get lazy with the details. You might see words like ‘copy’, ‘specimen’, or even Chinese characters printed on the note. These are dead giveaways. Also, check for any smudges or blurry printing, especially in the fine details or the serial numbers. Genuine notes have really crisp, clear printing.

Here are some other common tells:

  • The feel: Does it feel like plastic or paper? Genuine notes are polymer and have a distinct feel.
  • Printing quality: Look for fuzzy or blurry text and images. Microprinting should be very fine and sharp.
  • Missing or poor security features: If the clear window looks stuck on, the embedded images are missing, or the colour-shifting ink doesn’t work, it’s likely fake.
  • Odd texture: Genuine notes have raised printing. If the note feels completely flat, that’s suspicious.

It’s worth remembering that counterfeiters often try to replicate the most obvious security features, but they usually miss the finer details. They might get the big, clear window right, but the microprinting or the subtle colour shifts can be where they slip up. Always trust your gut if something feels wrong.

If you’re really unsure, the best thing to do is compare it side-by-side with a $100 note you know is real. You’ll often spot the differences pretty quickly when you have both to look at.

Comparing Suspect Notes to a Known Genuine $100 Note for Accuracy

Alright, so you’ve got a $100 note that feels a bit off. What’s the best way to be sure? Grab a $100 note you know is legit. Seriously, having a real one handy is like having a cheat sheet for spotting fakes. It makes all the difference.

Think of it like this: you wouldn’t try to tell if a painting is a fake without looking at a real one by the same artist, right? Same deal with money. You need that direct comparison to pick up on the subtle stuff.

Here’s what you should be looking at:

  • The Feel: Genuine polymer notes have a distinct feel. They’re smooth but have a bit of a crispness. Fake ones might feel too slick, too papery, or just generally wrong. Does the suspect note feel like a known genuine one?
  • The Clear Window: Compare the clear window. On a real note, it’s clear, and the printing within it should be sharp. Look for any blurriness, smudges, or if the window itself feels like it’s just stuck on.
  • The Raised Print: Run your finger over the main portrait and the text. Real Australian notes have raised ink that you can actually feel. If it feels completely flat, that’s a big red flag.
  • The Shine: Tilt both notes. See how the colours shift, and the numbers change? The effects on a fake might be dull, absent, or just look… well, fake. The rolling colour effect on the newer notes is pretty distinctive.

Sometimes, the differences are super obvious, like if the serial numbers don’t match up in terms of font or spacing. Other times, it’s more about a general lack of quality. If it looks a bit fuzzy or the colours seem off compared to the real deal, trust your gut.

Don’t forget to check out the microprinting too, if you have a magnifying glass. The tiny text on a real note is incredibly sharp. If it’s just a blurry line on the suspect note, you’ve probably got your answer. Having a known genuine note makes spotting these discrepancies so much easier, and it’s a solid step before you decide to report any suspicious currency.

What to Do if You Think You’ve Found a Fake $100 Note Australia

So, you’ve gone through all the checks, and something just doesn’t feel right about that $100 note. It happens, and it’s good you’re paying attention. The most important thing is not to pass it on. Trying to spend a fake note, even if you got it by accident, can land you in some serious trouble.

How to Spot A Fake $100 Dollar Note Australia

If you suspect you’ve got a counterfeit, here’s the general advice on how to spot a fake $100 dollar note Australia and what to do next:

  • Handle it as little as possible. Try to put it in an envelope or a safe place. This helps preserve any potential evidence.
  • Note down the details. Think about where and when you got the note. Who gave it to you? Any little detail could be helpful.
  • Report it to the police. Take the note to your local police station. They’re the ones who can properly assess it and investigate.

It’s also worth remembering that you have the right to refuse a banknote if you’re not sure about it. Don’t feel pressured to accept it if it seems dodgy. Businesses, especially, should train their staff on how to spot a fake Australian $100 note and have a clear procedure for handling suspected counterfeits. This helps protect both the business and its customers. Remember, staying vigilant is key to spotting a fake $100 dollar note in Australia.

If you’re unsure about a note, it’s always better to be safe than sorry. Don’t try to be a hero or a detective yourself. Let the authorities handle it. Passing on counterfeit money, even unintentionally, is a serious offence.

Dealing with fake currency can be a real headache, and it’s something that Timmins police have warned about in the past. Knowing how to spot a fake $100 dollar note Australia and what steps to take if you find one is part of being a responsible citizen and business owner.

Tips for Businesses and Cash Handlers

Running a business means you’re often on the front lines when it comes to spotting fake money. It’s not just about protecting your own bottom line; it’s about helping keep dodgy cash out of the community. Training your staff properly is your first and best defence.

Think about it – a young staff member might not have seen many $100 notes, let alone a fake one. A quick chat and a bit of practice can make a huge difference. You don’t need fancy equipment for most checks. Just knowing what to look for is half the battle.

Here’s a breakdown of what to focus on:

  • The Feel Test: Genuine Australian polymer notes have a distinct feel. They’re smooth but have a slightly raised texture from the printing. If a note feels too flimsy, too papery, or just ‘off’, it’s worth a closer look.
  • The Window Check: That clear window is a big giveaway. On a real note, it’s part of the polymer, not just a sticker. You should see clear printing within the window, like the lyrebird on the $100 note, and the number ‘100’. If the window looks smudged, poorly printed, or like it’s been stuck on, be suspicious.
  • The Tilt Test: Hold the note and tilt it. You should see colour-changing effects and movement. On the $100 note, the bird’s wings should appear to move, and the number ‘100’ should change direction. If nothing happens, or it looks flat, it’s likely fake.
  • The Light Test: Hold the note up to the light. You should see a faint image of the Australian Coat of Arms and a seven-pointed star. These aren’t printed on the surface; they’re embedded within the note.

Beyond these basic checks, consider having a simple detection tool handy. A basic UV light can reveal fluorescent serial numbers and patterns that aren’t visible in normal light. It’s a quick way to add another layer of security.

If you’re unsure about a note, it’s always better to be safe than sorry. You have the right to refuse a banknote if you suspect it’s counterfeit. Don’t feel pressured to accept it. Instead, politely explain your concerns and ask for a different note. If you do end up with a suspected fake, handle it as little as possible, note down how you got it, and report it to your local police immediately. They can help you report counterfeit notes.

Regularly updating your staff on the latest security features and common counterfeit methods is key. A little bit of training goes a long way in protecting your business.

For businesses and anyone handling cash, making sure your staff can spot fake money is super important. We’ve got some great tips and tools to help your team become cash-detecting pros. Want to learn more about keeping your business safe from counterfeit cash? Visit our website today for all the details!

Frequently Asked Questions 

What’s the quickest way to spot a fake $100 note?

A super easy first check is the feel of the note. Real Aussie $100 notes are made of a special plastic called polymer, which feels a bit stiff and doesn’t tear easily. If it feels like regular paper or is too soft, it’s a big red flag.

What should I look for when holding a $100 note up to the light?

When you hold a real $100 note up to the light, you’ll see a seven-pointed star that looks like it’s made of dots, and also a faint image of the Australian Coat of Arms. These features are embedded in the note.

Is it okay to refuse a $100 note if I think it’s fake?

Absolutely. You have the right to refuse any banknote if you’re not sure it’s genuine. It’s better to be safe than to accept a counterfeit.

What should I do if I accidentally receive a fake $100 note?

Don’t try to pass it on! Put it in an envelope, write down how you got it, and take it straight to your local police station. They’ll handle it from there. Remember, counterfeit money has no value.

Can I compare a suspect note to a known real $100 note?

That’s a smart move. If you have a $100 note you know is real, comparing the suspect note side-by-side can highlight differences in the feel, printing clarity, and security features. It makes spotting discrepancies much easier.