The effigy of Her Majesty Queen Elizabeth II facing right.
ELIZABETH II D G REG F D 50 PENCE
Description reverse
Representation of a Iguanodon dinosaur and fossil from the dinosaur: a thumb spike. On top the inscription: “IGUANODON”, on the bottom the inscription: “MANTELL 1825”.
Reference
United Kingdom. 50 Pence (Silver) 2020, Royal Mint. CoCo GB-2020-0091.