Three different obverses have so far been used; 1966 to 1984 the head of Queen Elizabeth II by Arnold Machin; between 1985 and 1998 the head by Raphael Maklouf; and since 1999 the head by Ian Rank-Broadley.
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From 1966 until 1984 the obverse featured the portrait of Queen Elizabeth II by Arnold Machin.
The image of a male Superb Lyrebird (Menura novaehollandiae) is displayed on the reverse, as the female has less striking tail features.
In 2003 six coins with the Rank-Broadley portrait were released, with images of characters from The Lord of the Rings.