Circulated.

1991 Australia 50c 25th Anniversary

The 1991 Australia 50c “Ram’s head” Commemorative issue of the 25th Anniversary of Decimal Currency features the 3rd portrait of Queen Elizabeth II facing right wearing the King George IV State Diadem

Lettering:
ELIZABETH II
AUSTRALIA 1991
RDM

Designer: Raphael David Maklouf 

On the reverse, the head of a Merino Ram

Lettering:
25th ANNIVERSARY OF DECIMAL CURRENCY
·FIFTY CENTS·

Specifications