The Kew Gardens and Atlantic Salmon 50p coins are the most valuable and sought-after in the UK

The 50 pence piece has become the most valued and collected coin in the UK, with many collectable designs appearing on its heptagonal canvas.

Coin collectors are being urged to check their piggy banks for two particularly valuable 50p coins.

The Kew Gardens 50p and the Atlantic Salmon 50p are the Royal Mint’s rarest 50p coins, with just 210,000 and 200,000 copies of each coin respectively entering circulation.

Both coins are now highly sought-after by collectors, with some coins exchanging hands for hundreds of pounds.

Coin expert Coin Collecting Wizard took to TikTok to express the value of the Kew Gardens 50p coin.

He said: “If your piggy bank has a Kew Gardens 50p coin then you are holding a gem.

“The coin hit the headlines in February 2014 when It was revealed as the most scarce 50p in circulation.

“At the peak of its value, some coins were exchanging hands for hundreds of pounds.

“The Royal Botanic Gardens in Kew are a UNESCO world heritage site, which boast 4.5 acres of garden under glass.

“One of the buildings is the Chinese Pogoda, built in 1761, which features on the design of this coin.

“A circulated version of the 50p coin can easily sell for £150 today.”

Coin Collecting Wizard also highlighted the Atlantic Salmon 50p, which is even rarer than the Kew Gardens 50p.

He said: “The Royal Mint has now revealed that the Atlantic Salmon 50p is the rarest 50p out there with only 200,000 released to UK banks and post offices.

“This is an exciting day in the world of coin collection as the Atlantic Salmon coin takes the crown from the Kew Gardens 50p.

“The Atlantic Salmon 50p is the most sought after 50p in circulation.

“The coin has already started to gain traction on the likes of eBay and coin groups and the price is sky rocketing.”