Twenty pence coin
Dimensions: 21.4mm diameter
Made out of: Copper, Nickel
Introduced: June 9th, 1982
To ease with identification the twenty pence piece, like its larger cousin the 50p it has seven sides (a heptagon).
The image of a rose wearing a crown adorns the front. A rose is one of England's emblems. On the reverse side is a portrait of Queen Elizabeth II.