GREAT BRITAIN: (1952 -present day) Queen Elizabeth II 2020 Proof Gold 50p 'Megalosaurus' Coin. Obverse: Head of Elizabeth II facing Right. Fifth Bust. Legend: ELIZABETH II.D.G.REG.F.D.50 PENCE.2020. Reverse: Features the Dinosaur Megalosaurus. Lettering: BUCKLAND 1824