I don’t know about you but here at Change Checker, we’ve been getting creative in our spare time recently.

We’ve loved creating designs and patterns from our coin collections, seeing Change Checkers design their own 50p coins for our Key Worker Heroes and creating their own A-Z 10p designs too!

But our latest creative activity, has involved partnering up with Half Asleep Chris to design the very first Change Checker Colouring Sheets.

Change Checker Colouring Sheets

The Change Checker Colouring Sheets feature some of the most popular coins as a template that you can download, for you to colour in at home!

Once you’ve completed your colouring sheets, send us a photo of them by commenting on this Facebook post, or by emailing info@changechecker.org for the chance to see your design feature in our July Newsletter!

To get involved, just follow these simple steps:

Change-Checker Colouring SheetsDownload

Entries close 24th July. We can’t wait to see how you all colour in your coins!

Happy colouring!


If you’re interested in coin collecting, our Change Checker web app is completely free to use and allows users to:

– Find and identify the coins in their pocket
– Collect and track the coins they have
– Swap their spare coins with other Change Checkers

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Sign up today at: www.changechecker.org/app

Back in 2016, the first-ever polymer banknote was issued to replace the paper £5 note, with a cleaner, safer and stronger alternative.

Since then, we’ve seen the introduction of the polymer £10, featuring the portrait of Jane Austen and this year saw the issue of the polymer £20 note, featuring JMW Turner’s portrait.

2020 JMW Turner Polymer £20 Note

We’ve seen the £5 and £10 notes prove incredibly popular with collectors, with particular notes selling on eBay for way over face value!

But what makes a banknote collectable? Well… It’s all to do with serial numbers!

We previously listed the serial numbers that you should be looking out for on the Polymer £20 note, from AA01 to AK-47, and unsurprisingly, some are proving more popular than others, but which ones are likely to fetch the most on the secondary market?

Well, we’ve done the hard work for you by taking a look at which polymer £20 note serial numbers are selling for the most on eBay and which ones you should be looking out for.

How much is the polymer £20 worth?

‘Rare’ polymer £20 banknotes

Recurring numbers

If you’ve been lucky enough to find a £20 note with a series of recurring numbers, like the 777777 serial number, you may want to keep hold of it as we’ve seen some which are currently selling on eBay for around £400 – over 20 times its face value!

Serial number 777777. Credit: eBay

Similar serial numbers have sold for prices within the same range. The 333333 serial number also sold for £400, so it seems collectors everywhere are desperate to get their hands on a recurring number note!

Serial number 333333. Credit: eBay

Another type of serial number you should be keeping an eye out for, is a ‘ladder’. These are serial numbers that have consecutive numbers, like this ‘001122’ note.

Serial number 001122. Credit: eBay

One lucky collector got his hands on this note but at a hefty £529…  Other ladder numbers include ‘012345’ and these could currently fetch you a very respectful £350 on the secondary market!

AA numbers

As with previous polymer note issues, the lower serial numbers for the new £20 have proven popular with collectors, with the current average selling price for the AA notes coming in at £40! That’s two times the note’s face value!

Serial number: AA50. Credit: eBay

At the annual Bank of England charity auction held at Spink and Son Ltd in London the very first polymer note, the £5, with the serial number AA01 000017 auctioned for £4,150! However, this year, the £20 note with serial number AA01 000010 sold for a staggering £7,500, over FOUR times its starting price!

Serial number: AA01 000010 auction. Credit: Spink

AK47

Considered collectable due to the machine gun connotations, polymer notes with the prefix AK47 were thought to be worth well over face value following the new £5 release in 2016.

A quick look at the most recent eBay sold prices for this serial number, on the new £20 note, show that people are willing to pay £11 over its face value!

Serial number AK47. Credit: eBay

What about the £50 note?

The Bank of England will be issuing a new polymer £50 in 2021 featuring the scientist Alan Turing.

£50 Polymer Banknote Concept. Credit: Bank of England

We can’t wait to see the new polymer £50 when it’s issued!

So there we have it, the current selling prices for your polymer £20 notes! With less cash being used during the current climate and therefore less notes in circulation, it’s possible this has added to the collectability of these new polymer £20 notes.

Are you a banknote collector and if so, which notes do you have in your collection? Let us know in the comments below!


If you’re interested in coin collecting, our Change Checker web app is completely free to use and allows users to:

– Find and identify the coins in their pocket
– Collect and track the coins they have
– Swap their spare coins with other Change Checkers

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Sign up today at: www.changechecker.org/app

Like many of you, we were waiting in high anticipation for the Tokyo Olympics this year, but as we’ll now have to wait a little longer, we’ve decided to host our very own Change Checker version of events…

So, we’re proud to present (for the first-time ever!) the 2020 Change Checker Games.

And you’ve been invited to get involved!

Every Friday we’ll be running a different coin-based challenge for you to take part in, which you can find out all about on our Facebook page!

Each video will showcase a demonstration of the week’s event and all you need to do to be in with the chance of winning some incredible prizes is:

  • Watch our weekly video here
  • Have a go at the challenge yourself, and
  • Leave a picture or video of your attempt in the comments on our Facebook post!

For each event, there will be a Gold, Silver and Bronze winner, who will each be winning a prize!

Bronze: a set of three Change Checker Trading Cards to add to your collection!

Change Checker Games Bronze Prize

Silver: a set of SIX Change Checker Trading Cards to add to your collection!

Change Checker Games Silver Prize

But, last and definitely by no means least, our Gold winners will be taking home an incredible NINE Change Checker Tradings Cards AND a year’s subscription to Coin Collector Magazine!

Change Checker Games Gold Prize

We are so grateful to Coin Collector Magazine for getting involved, so a huge thank you goes to them!

Our podium winners of each event will be announced in our closing ceremony video on Facebook on the 24th July, and you might even spot your very own challenge attempt in there too!

Our third event is now live on our Facebook channel and you can see it here.

Don’t forget to get involved by sharing a photo or video of your attempt in the comments!

Best of luck everyone! Let the games begin…


If you’re interested in coin collecting, our Change Checker web app is completely free to use and allows users to:

– Find and identify the coins in their pocket
– Collect and track the coins they have
– Swap their spare coins with other Change Checkers

Change Checker Web App Banner 2 Amends 1024x233 1 1024x233 - Your January 2019 Scarcity Index update!

Sign up today at: www.changechecker.org/app