The effigy of Her Majesty Queen Elizabeth II facing right.
ELIZABETH II D G REG F D 50 PENCE
Description reverse
Representation of a Hylaeosaurus, fossils at its feet. On right and left, ancient flora.
HYLAEOSAURUS MANTELL 1833
Artist imression of a dinsaur of the Hylaeosaurus species, between Erly Cretaceous plants. Below, separating the design from the the exergue, fossilized dinosaur teeth. Around above, the inscription HYLAEOSAURUS. Around below in the exegue, MANTELL 1833. The designer's initials RN (for Robert Nicholls) are above the exergue line, to the right of the teeth.
Reference
United Kingdom. 50 Pence (Gold) 2020, Royal Mint. CoCo GB-2020-0085.