オーストラリア プルーフコインセット2000年 Millennium Year - メルカリ,Proof Coin Set - Third Millenium, Australia, 2000,50 Cents - Elizabeth II (4th Portrait - Millennium- Coloured Proof) - Australia – Numista,1999-2000 Millennium Coin Set w/ 1oz Silver Medallion – Thompsons Coins,50 Cents - Elizabeth II (4th Portrait - Millennium) - Australia – Numista