In 2020, to celebrate Britain's Longest Reigning King George III, the Royal Mint released a Limited Issue George III £5 Five Pound Silver Proof Coin struck in solid .925 Sterling Silver.

• The first time Britain’s longest reigning king has been celebrated on modern UK coinage
• A design that embraces the multiple interests of George III and the events of his reign
• The edge lettering – ‘I GLORY IN THE NAME OF BRITON’ – comes from a speech by George III at his accession
• The design features George III’s royal cypher
• A Limited Edition Presentation of 2500, a historically low number for a royalty themed £5 coin