This set represents the annual release by the Royal Australian Mint of proof versions of Australia's circulating coins. It celebrates the 40th Anniversary of the introduction of decimal currency in Australia on 14th February 1966.
This set contains 2006 dated 1 and 2 cent coins struck by the Royal Australian Mint as the denominations were withdrawn in 1991. The set also contains a 2006 dated reprise of the round silver 50 cent struck for circulation only in the first year of decimal currency 1966.