Every keen collector knows that it is worthwhile paying close attention to the small details of your coins – it’s the only way you can ever hope to spot an error. 

From edge inscription mix ups to inverted effigies, there are a few stories that crop up more often than not. However, recently, a couple of ‘error’ stories have cropped up, that Change Checker really think you should pay attention to – involving an H.G. Wells £2 and the Technology £2…

Stay tuned as we take a closer look at these ‘errors’ and help you determine if your £2 coin is a genuine rarity!

H.G. Wells £2 – Blank ‘Error’

H.G. Wells £2 Blank ‘Error’. Source: The SUN.

This £2 coin was issued as part of the 2021 UK Commemorative Coin set and it marks the 75th anniversary of the death of science fiction novelist, H. G. Wells.

With the clue in the name, this bi-metallic coin is made up of a combination of a silver coloured cupro-nickel disc and an outer yellow nickel-brass ring.

In the case of this H.G. Wells £2 coin however, it appears that the blank used has a thicker yellow ring, much wider than what we’d see on normal £2 coins.

H.G. Wells £2 Blank ‘Error’ comparison. Source: The SUN.

When striking £2 coins, the first step is to punch a hole through a blank planchet to create the outer section. The inner core is taken from a different metal, sized to fit inside the outer ring.

There have already been estimations that if this coin was to be sold at auction, it could fetch over £1,000! We’re going to be eagerly awaiting confirmation from The Royal Mint whether this error is genuine or not. Nonetheless, it certainly makes for interesting collecting!

This coin is yet to be individually issued, so any ‘error’ versions will have come exclusively from the 2021 UK Annual Set. It’ll certainly be interesting to see if any other stories crop up after the coin’s individual issue….

Whilst there are no identical examples to compare the H.G. Wells £2 ‘error’ to, there have been previous instances of the inner and outer sections of £2 coins not quite matching up:

Clipped Planchet

In the above image, the inner core was punched out from the end of the sheet of metal used for blanks, forming a straight or ragged edge clip.

Whilst this also occurs with monometallic coins, the pairing with an outer ring exposes a large gap which is much more noticeable.

The Royal Mint strike millions of coins each year so it is inevitable that variances will occur during the striking process and can’t always be picked up during quality control, despite the fact that this particular coin would weigh less than the standard 12g £2 coin.

Off Centre Inner Core

The inner core of this coin hasn’t been united properly prior to being struck, resulting in an off centre inner core.

Due to the way the inner and outer core are struck together with the two metals being lined up and then fused together during striking, a misalignment will mean that the inner core spills into the outer ring, as seen in the image above. There might also be a gap between the two metals on the opposing join.

Faulty Outer Ring

This particular mis-strike, shows a faulty planchet or outer ring, where the inner core is exposed.

In the image above, you can actually see the specific engineering design features where the inner core is grooved to help the metal flow bond to the outer ring and fuse during striking.

Similar to the first mis-strike we looked at, this could be caused by a clipped planchet, this time created when the outer ring was punched, however coins like this may also be caused by tampering post striking, for example by fakers trying to replace the inner core of a £2 with another coin to pass off as a rare error.

Bronze £2 Error

2010 ‘Bronze’ Technology £2. Send to Change Checker by Amin.

The ‘Monometallic’ £2 is described as the Holy Grail of bimetallic ‘errors’ and is the result of the nickel-brass £2 blank not having the inner core section punched out before being struck.

This means that the £2 coin is made from one full piece of nickel-brass, completely contrasting the very idea of a bimetallic coin.

A 2007 monometallic £2 was verified by The Royal Mint and in the email confirming the mis-strike it was mentioned that they had only seen 4-5 similar coins before.

However, in 2021, Change Checker was contacted by a collector called Amin who informed us that he had found this exact error coin but with a 2010 date.

After sending details of his coin to The Royal Mint for further information, it was confirmed to be genuine error as a result of the minting process.

Letter sent to the collector from The Royal Mint confirming it’s genuinity.

This rare striking error is highly sought-after and coins have achieved extraordinary prices in private sales and auctions.

Whilst information of this coin’s sale has remained private, it’s certainly a very interesting story and we imagine the collector can expect to see a very impressive return on this coin…


We look forward to the individual release of the HG Wells £2 later this year and will certainly be keeping our eyes peeled for any unusual looking variations!

Have you ever come across any of these £2 error coins in your collection?

We’d love to know! Comment below.


Secure the 2021 UK Commemorative Coin Set – featuring the H. G. Wells £2!

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As we celebrate the arrival of the New Year, at Change Checker HQ we’re also celebrating the arrival of new coins – The 2021 Annual Coins!

We can’t wait to reveal to you the new 2021 coin designs and I’m sure you’ll agree that there are some really fantastic coins to look forward to.

So let’s kick off the year with the coins we’ve all been waiting for, the 2021 Annual Set…

Decimal Day 50p

2021 Decimal Day 50p available within the 2021 Annual Coin Set

This year marks the 50th anniversary since Decimal Day on the 15th February 1971 and to celebrate the biggest change our UK coinage has ever seen, a brand new 50p has been issued.

In commemoration of the anniversary, this brand new 50p, designed by Dominique Evans, features the original Machin portrait of Queen Elizabeth II on the obverse, which featured on the very first 50p back in 1969.

The 50p has become the most-collected and best-loved decimal coin since its introduction and given the significance of this anniversary, I’m sure this 50p will prove very popular with collectors.

John Logie Baird 50p

2021 John Logie Baird 50p available within the 2021 Annual Coin Set

It’s hard to imagine life without television but back in the 1920s, it was a complete unknown.

That was until John Logie Baird successfully produced televised objects in outline in 1924, transmitted recognizable human faces in 1925, and demonstrated the televising of moving objects in 1926. This was the very first-time that television had become a reality and it shaped the world that we live in today.

This brand new 50p, designed by Osborne Ross, celebrates the life and works of this remarkable British inventor, electrical engineer, and innovator.

H. G. Wells £2

2021 H. G. Wells £2 available within the 2021 Annual Coin Set

Herbert George Wells was an English novelist, journalist, sociologist, and historian best known for his science fiction novels The Time Machine and The War of the Worlds.

In the year marking the 75th anniversary of his death, this brand new £2 coin has been issued, feature a design which pays a fitting tribute to his famous novels, with a depiction of the Invisible Man and a Martian encircled by clock numerals.

The inscription also reads one of his famous quotes, “GOOD BOOKS ARE THE WAREHOUSES OF IDEAS”. We love Chris Costello’s design and we hope you do too!

Sir Walter Scott £2

2021 Sir Walter Scott £2 available within the 2021 Annual Coin Set

2021 commemorates the 250th anniversary of the birth of novelist, historian, and poet, Sir Walter Scott.

He is considered both the inventor and the greatest practitioner of the historical novel.

The coin, designed by Stephen Raw, features the text: “SIR WALTER SCOTT NOVELIST HISTORIAN POET” encircled by the inscription “250TH ANNIVERSARY OF HIS BIRTH” and the year date.

Excitingly, this coin also features the edge inscription, “THE WILL TO DO, THE SOUL TO DARE”, a quote from his epic poem, ‘Marmion: A Tale of Flodden Field’.

Queens Elizabeth II 95th Birthday £5

2021 Queen Elizabeth II 95th Birthday £5 available within the 2021 Annual Coin Set.

This year, our Queen will celebrate her 95th birthday and to celebrate, The Royal Mint has issued this £5 coin.

The coin features a design by Timothy Noad, of the Royal Cypher and the inscription “MY HEART AND MY DEVOTION” alongside the date of the Queen’s birth and the year 2021.

In 2016, a £5 coin was issued to celebrate Her Majesty’s 90th Birthday and it proved incredibly popular with collectors, as she became the first British monarch to reach their 90th birthday. As she reaches another significant milestone, I’m sure this celebratory coin will prove just as, if not more popular!


The announcement of the new annual coins is always an exciting moment for Change Checkers, particularly when the anniversaries are as significant as these.

Do you have a favourite coin from the set? Let us know in the comments below!


Secure the 2021 Annual Coin Set to your collection today!

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If you love these coins as much as we do, you can secure them as a set today for JUST £40.00 (+p&p)

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A Christmas Carol, published in 1843, is arguably one of Charles Dickens’ most famous novels – teaching us to keep the spirit of Christmas and kindness in our hearts all year round.

2020 Isle of Man ‘A Christmas Carol’ £2 Coin Trio. Secure yours here >>

And, in this 150th year since the passing of the greatest novelist of the Victorian Era, Charles Dickens has been celebrated with the release of three enchanting £2 coins, each inspired by his timeless festive tale, including:

  • Scrooge and the Ghost of Christmas Present
  • Scrooge and the Ghost of Christmas Past and Ghost of Christmas Yet to Come
  • Scrooge with Tiny Tim as a representation of his redemption

The 2020 Isle of Man ‘A Christmas Carol’ £2 Set is a truly unique festive addition to any collection this Christmas season, or could even make the perfect Christmas gift or stocking filler for a friend or relative!

We only have a limited stock available for Change Checkers, so don’t miss out on your chance to own this BRAND NEW 2020 ‘A Christmas Carol’ £2 Set for JUST £25.00 (+p&p) by clicking here >>


Following in the popularity of previous Isle of Man Christmas coins, this set is sure to be in high demand amongst collectors.

JUST 3,000 of each design will be entering circulation on the Isle of Man, so these coins will be particularly hard to come by, as i’m sure collectors on the island will be quick to snap them up!

Let’s a take a look at some other festive issues we’ve seen from the Isle of Man…

2019 Santa £2

2019 Isle of Man Santa £2

Traditionally, the Isle of Man release Christmas themed 50ps most years, however last year, this incredibly popular Santa £2 coin was released

This magical design features an enchanting portrait of Old St. Nick and bears the inscription ‘Nollick Ghennal’ which is Manx for ‘Merry Christmas’.

At the top of the coin, the distinctive Isle of Man Triskelion (three armoured legs) can be seen.

2003 Snowman 50p

2003 Snowman 50p

2003 marked the very first time The Snowman featured on circulating coinage.

The Isle of Man released a limited-edition coin to mark the 25th anniversary of the release of the ‘The Snowman’ by Raymond Briggs.

Only 10,000 of these coins were ever minted, which makes it incredibly sought-after. In fact, this coin sells for well over face value on the secondary market, often fetching more than £200!

Since 2003, the Snowman has featured on a number of Isle of Man Christmas coins, and has even made two appearances on UK coins, which have been incredibly popular with collectors!

2018 Hunt the Wren £2

2018 Isle of Man Hunt the Wren £2

On boxing day on the Isle of Man, communities come together across the island to dance and sing in the streets around “the king of all birds” who is paraded around on a pole. 

Hunt the Wren, as it is known on the island has become one of the most popular yet more unusual Manx traditions in practice today.

The practice dates back to Pagan times and is centred on the wren bird, which is hunted and then danced through the streets on a special pole.

This £2 coin was issued in 2018 by The Isle of Man to celebrate the Manx tradition.

2013 Christmas Wreath and Stocking 50p

2013 Isle of Man Christmas Wreath and Stocking 50p. Source: Coin Update.

This festive 50p was issued in 2013 on the Isle of Man and features a traditional Christmas wreath and stocking.

It is estimated that only 30,000 of these coins entered circulation on the Isle of Man, making them particularly sought-after. Due to the island having a population of less than 85,000, mintages tend to be much lower than we see in the UK.


Let us know in the comments below what you think of these brand new A Christmas Carol £2 coins!

Will you be bringing them home this Christmas?


Secure this set of three ‘A Christmas Carol’ £2 coins to your collection today!

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These coins truly are a wonderful addition to any collection and can even make the perfect gift for a loved one!

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