The coins show the portrait of Queen Elizabeth II wearing the Girls of Great Britain and Ireland Tiara .
Lettering ELIZABETH.II D.G.REG,F.D 1971 and 1978.
The badge of the Prince of Wales,a plume of three ostrich feathers filing a coronet of cross Pattee and fleur de lis,dividing motto with legend above and denomination bellow.
The coin diameter is 25.9mm.

Here are for sale 4 coins dated 1971 and 1 coin dated 1978.