20c 50c & $1 Centenary of Federation SA Proof Trio

Issued by the Royal Australian Mint Canberra in 2001 this 3 coin proof collection incorporates coins representing South Australia's (SA) participation in the federation of states and territories to form the Commonwealth of Australia.

The 3 coins in the collection are:

• 2001 Proof Federation $1 (coloured)
• 2001 Proof SA Federation 50c and
• 2001 Proof SA Federation 20c