The 2020 Royal Mint Britain's Longest Reigning King £5 Coin Pack is a sealed coin pack containing a £5 coin celebrating the longest reigning King in British history, Queen Elizabeth II. This coin, minted in 2020, is a part of the British decimal coinage and is made of materials sourced from Great Britain. The coin is in Bunc (Brilliant Uncirculated) grade, uncertified, and features the iconic image of Queen Elizabeth II, making it a valuable addition to any coin collection.