The Insulin 50p – What we know so far…

Did you know that an Insulin 50p is set to be issued this year?

The Royal Proclamation from the 23rd July 2021 confirmed that a 50p will be issued in 2021 featuring a design dedicated to the hormone, Insulin.

Whilst the design remains top secret, the Royal Proclamation reveals the coin’s reverse design will feature a depiction of insulin molecules and the chemical formula for insulin.

Insulin was first discovered in 1921 by Sir Frederick G Banting, Charles H Best, and JJR Macleod at the University of Toronto.

Before this, very few people with type 1 diabetes lived more than a year or two, and it remains the only effective treatment for people with the condition to this day.

In the 100th anniversary year of its discovery, could this new 50p become the very latest issue in The Royal Mint’s Innovation in Science series? It hasn’t been confirmed but we certainly think it would make a great addition!

This series has brought us the 2019 Stephen Hawking 50p and the 2020 Rosalind Franklin 50p – both of which have proved incredibly popular with collectors!

We’re so excited for the design of this brand new coin to be revealed – it’s sure to make a huge breakthrough into the coin collecting world!

To make sure you don’t miss out on adding this brand new coin to your collection as soon as it is released, you can sign up to the Change Checker Subscription Service here >>

Be one of the first to receive the brand new Insulin 50p!

So, don’t miss your chance to get ahead of the crowd and be one of the very first collectors to receive the latest UK new issue coins (including the Insulin 50p) as soon as possible after their release.

The Change Checker New Issue Subscription Service allows you to own the latest coin releases, delivered to your doorstep, without any of the hassle of ordering the coin yourself!

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The Father of Television – John Logie Baird celebrated on UK 50p

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

That was until John Logie Baird successfully produced televised objects in outline in 1924, transmitted recognisable human faces in 1925, and demonstrated the televising of moving objects in 1926.

To celebrate the life and works of the ‘Father of Television’, a brand new 50p in the UK’s Innovation in Science series has been released, designed by Osborne Ross. a London based design agency.

The design features key milestones from Baird’s life, presented between the lines of transmission radiating from the centre of the coin.

To secure this brand new coin for your collection, in Brilliant Uncirculated quality for JUST £4.50 (+p&p), simply click here >>

The Father of Television

John Logie Baird demonstrating his mechanical-scan television in 1931. Source: Wikimedia Commons.

At the age of 34, John Logie Baird set about experimenting in television – the start of a passion which was to drive him for the rest of his life.

By early 1925, Baird was successful in demonstrating one of his experiments to the public, in Selfridges’ display window on Oxford Street, London. Bemused shoppers were treated to ‘a recognisable, if rather blurred’, image of simple forms such as letters printed in white on a black card.

Baird’s breakthrough came in 1925 when he produced a recognisable image, complete with shades of grey and in 1926 he gave the world’s first public demonstration of television.

To mark this incredible breakthrough in technology, John Logie Baird now joins the likes of Rosalind Franklin and Stephen Hawking in The Royal Mint’s Innovation in Science series as he’s commemorated on a brand new UK 50p.

Innovators in Science Series

In 2019, The Royal Mint confirmed a new series of coins commemorating some of the most influential Innovators in Science.

2019 Stephen Hawking 50p

The series kick-started with a 50p commemorating Stephen Hawking, less than a year after his death.

2019 Stephen Hawking 50p

Hawking’s ‘A Brief History of Time’ enlightened millions to the workings of the universe and revolutionised the way we understand time and space. As an ambassador for science, his significant contributions to humanity have left a lasting presence on all of us.

The striking design by Edwina Ellis features a stylised black hole to reflect his breakthrough work, as well as an inscription of his name and most notable ‘Bekenstein-Hawking formula’ describing the thermodynamic entropy of a black hole.

2020 Rosalind Franklin 50p

In the year that would have marked her 100th birthday, The Royal Mint released a 50p celebrating the life and crucial work of Rosalind Franklin, the first female scientist to be commemorated on a UK coin.

2020 Rosalind Franklin 50p

David Knapton’s striking design of this coin, features a depiction of Rosalind Franklin’s X-ray, ‘Photograph 51’, which revealed the helical structure of DNA, in her laboratory at King’s College, London.

One of Britain’s greatest scientists, Franklin made a crucial finding to the discovery of the double-helix structure of DNA.

Outside of the Innovators in Science series, we’ve seen an impressive selection of engineers and innovations celebrated on our UK coins…

2001 Wireless Transmission £2

In 1901, Guglielmo Marconi, an Italian physicist, succeeded in sending the first radio transmission across the Atlantic Ocean, disproving theories that the curvature of the earth would limit the transmission to 200 miles or less.

The message – simply containing the Morse code signal for the letter ‘s’ – travelled more than 2,000 miles from Poldhu in Cornwall to Newfoundland in Canada and won him worldwide fame and a Nobel Prize in physics in 1909.

2001 Wireless Transmission £2

This £2 coin was issued in 2001 to commemorate the 100th anniversary of this outstanding breakthrough.

4,558,000 of these coins entered circulation.

2004 Steam Locomotive £2

The first steam engine locomotive was built by mining engineer Richard Trevithick and travelled from Merthyr Tydfil in South Wales to Abercynon on its first journey in 1804, carrying 10 tons of iron, 5 wagons and 70 people on the 9 mile trip.

2004 Steam Locomotive £2

This £2 coin was issued in 2004 to commemorate the 200th anniversary of this impressive development in transportation.

The reverse design pays tribute to this first engine known as the ‘Pennydarren‘ which started the growth of railway transport in the 19th Century.

5,004,500 of these coins entered circulation. Have you found one?

2006 Brunel £2

Isambard Kingdom Brunel was an English mechanical and civil engineer whose designs revolutionised public transport and modern engineering.

He is perhaps best remembered for the network of tunnels, bridges and viaducts constructed for the Great Western Railway as well as the Clifton Suspension Bridge which crossed the River Avon.

2006 Brunel – Portrait £2

This £2 coin commemorates the 200th anniversary of his birth in 1806 and features a portrait of Brunel against a section of the Royal Albert bridge, wearing a top hat with a trademark cigar in his mouth.

7,928,250 of these coins entered circulation. Have you found this coin in your change?

2006 Brunel – Paddington Station £2

Brunel is perhaps best remembered for the network of tunnels, bridges and viaducts constructed for the Great Western Railway as well as the Clifton Suspension Bridge which crossed the River Avon.

This £2 commemorates the 200th anniversary of his birth in 1806 and features a section of the roof of Paddington Station – one of his most famous works.

7,452,250 of these coins entered circulation in 2006, making it the rarer of the two Brunel £2 coins.


We’re so excited to see the 2021 UK John Logie Baird 50p join the marvelous Innovation in Science series and we’re sure this brand new coin will prove incredibly popular with collectors!

Will you be securing these coins for your collection? Let us know in the comments!


Secure the 2021 UK John Logie Baird 50p in Brilliant Uncirculated quality!

Own the brand new 2021 UK John Logie Baird 50p in CERTIFIED Brilliant Uncirculated quality for JUST £4.50 (+p&p).

Your superior collector quality coin has been protectively encapsulated in Official Change Checker packaging to preserve for generations to come.

Innovation in Science series continues, as Rosalind Franklin becomes first female scientist celebrated on a UK coin!

In the year that would have marked her 100th birthday, The Royal Mint have released a brand new 50p celebrating the life and crucial work of Rosalind Franklin.

2020 UK Rosalind Franklin 50p

David Knapton’s striking design of this coin, features a depiction of Rosalind Franklin’s X-ray, ‘Photograph 51’, which revealed the helical structure of DNA, in her laboratory at King’s College, London

This really is a coin full of numismatic firsts, as this is the first time that Franklin’s DNA story has featured on a UK coin, and it is also the very first time a female scientist has featured on a UK coin too!

Developed in collaboration with King’s College, London, this coin is available in Brilliant Uncirculated quality for just £4.50 (+p&p). [link]

The Story Behind The Scientist

One of Britain’s greatest scientists, Franklin made a crucial finding to the discovery of the double-helix structure of DNA, yet her contribution was little known.

Rosalind Franklin with Microscope (1955). Credit: Wikimedia Commons.

Applying X-ray diffraction methods to the study of DNA, enabled Franklin to discover the helical conformation of the molecule, in a photograph called, ‘Photograph 51’. This work laid the foundations for James Watson and Francis Crick to later establish that the structure of DNA was in fact a double-helix polymer (a spiral consisting of two DNA strands).

Tragically, at the age of just 37, Franklin passed away from ovarian cancer, robbing her of the same awards and recognitions that her colleagues were gifted.

To mark what would have been a very special birthday, this brand new 50p restores Franklin’s rightful legacy, and celebrates her significant role in the discovery of DNA, as she becomes The Royal Mint’s second Innovator in Science.

However, this brand new Rosalind Franklin 50p isn’t the only UK coin to celebrate great British scientists… it’s the second release in The Royal Mint’s Innovation in Science series!

2019 Stephen Hawking 50p

2019 Stephen Hawking 50p

In 2019, less than a year since his death, The Royal Mint released a Stephen Hawking 50p coin, honouring his works as one of the most influential physicists of the modern age.

He became the very first person to be celebrated in The Royal Mint’s Innovation in Science series and only the third person to be commemorated on a coin within a year of their death (the others being Winston Churchill and the Queen Mother!)

The reverse of the coin, designed by Edwina Ellis, features a stylised black hole and the inscription ‘Stephen Hawking’ . It also shows the Bekenstein-Hawking formula, which describes the thermodynamic entropy of a black hole!

There are a number of other UK 50p and £2 coins of a similar theme which you can look out for in your change…

2003 DNA £2

2003 DNA £2

In 2003, to mark the 50th anniversary of James Watson and Francis Crick‘s discovery of the double-helix structure of DNA, The Royal Mint issued this £2 coin.

As we mentioned above, had Rosalind Franklin not discovered the helical conformation of DNA, Watson and Crick may never have established it’s double-helix structure!

They found a twisted strand of deoxyribonucleic acid, intertwined in such a way that they could pull apart, replicate themselves, and pass their genetic code from old cells to new.

The coin’s design pays tribute to this ‘double-helix’ structure and has a mintage of 4,299,000.

2017 Isaac Newton 50p

2017 Sir Isaac Newton 50p

Sir Isaac Newton is widely recognised as one of the most influential scientists of all time and a key figure in the scientific revolution.

He changed our understanding of mathematics and physics, redefined the way we see the world and shaped the security of our currency in his role as Master of the Mint.

Designed by Aaron West, this 50p coin was issued to commemorate the achievements of Sir Isaac Newton and it remembers the legacy he left.

It has a circulating mintage of just 1,801,500.

2009 Darwin £2

2009 Charles Darwin £2

In 2009, The Royal Mint celebrated 200 years since Charles Darwin’s birth and 150 years since the publication of ‘On the Origin of Species’ by issuing this £2 coin. It has a circulating mintage of 3,903,000.

Darwin has been described as one of the most influential figures in human history and was known as the ‘father of evolution’.

At the time of publication in 1859, his book was extremely controversial as it made it seem possible that humans evolved from apes, which contradicted the widely held Orthodox Church theory of creation!

2001 Wireless Transmission £2

2001 Wireless Transmission £2

In 1901, Guglielmo Marconi, an Italian physicist, succeeded in sending the first radio transmission across the Atlantic Ocean, disproving theories that the curvature of the earth would limit the transmission to 200 miles or less.

The message – simply containing the Morse code signal for the letter ‘s’ – travelled more than 2,000 miles from Poldhu in Cornwall to Newfoundland in Canada and won him worldwide fame and a Nobel Prize in physics in 1909.

In 2001, to celebrate the 100th anniversary of the first wireless transmission, The Royal Mint issued this £2 coin. It entered circulation and has a mintage of 4,558,000.


We’re so excited by this brand new 50p release and we can’t wait to find out who else will feature in the Innovation in Science series!

Who do you think should be chosen to be featured alongside Stephen Hawking and Rosalind Franklin?


Secure the BRAND NEW Rosalind Franklin 50p for just £4.50 (+p&p)

Click here to secure the 2020 Rosalind Franklin 50p in Brilliant Uncirculated quality for just £4.50 (+p&p) >>