Circulated.

1981 Australia 50c Royal Wedding

The 1981 Australia 50c Commemorative issue of the wedding of Prince Charles and Lady Diana features the 2nd portrait of Queen Elizabeth II facing right wearing the Girls of Great Britain and Ireland Tiara

Lettering:
ELIZABETH II
AUSTRALIA 1981

Designer: Arnold Machin 

On the reverse, the profiles of Prince Charles and Princess Dianna facing left

Lettering:
:H.R.H.THE PRINCE OF WALES AND LADY DIANA SPENCER:
FIFTY CENTS

Specifications