Mr Happy £5 2021 BU is a United Kingdom £5 coin struck in 2021 at the Royal Mint. 18,461 were minted. Its estimated value is £13.02, from the Numista catalogue (May 2026). It is rated 5/10 for rarity (rare). It is struck in copper-nickel, weighs 28.28 g and measures 38.61 mm across.
Its BU mintage of 18,461 is the 41st lowest of 112 BU £5 coins in the catalogue.
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