Coins featuring the monarch are extremely rare because the minting process, due to begin in January 1937, was suspended due to Edward VIII abdicating in December 1936 to marry the controversial American divorcee, Wallis Simpson.

The 1933 George V Penny: The 1933 George V Penny is one of the most famous rare coins in the UK. It's believed that only 7 coins were issued, and as only a few were struck, they were never officially released for circulation. A 1933 George V Penny in good condition can fetch hundreds of thousands of pounds at auction.

In 2020, an Edward VIII sovereign sold at auction for £1 million, the most for a British coin. On 26 March 2021, a five pound gold coin sold at auction for $2,280,000, surpassing the previous record.

If you want to know how much your coin is worth, the Seaby Standard Catalogue of British Coins is a great reference book that lists the 'catalogue' price of most British coins. However, it's important to remember that just because a coin is listed in a price guide, it doesn't mean there is a demand for it.