US$ 847.50
2005 Royal Australian Mint $10 Sydney Mint Sesquicentenary 2oz
2002 Queen Elizabeth Golden Jubilee PNC First Day Of Issue
2012 Perth Mint $1 40 Years of Friendship China and Australia 1oz
A different one was issued each of the 10 days and matching numbers were extremely hard to get because people had line up randomly to buy them as they could not be pre-ordered
Tonga Toga Air Mail Letter Card sent to San Francisco USA PNC 2005 Royal Australian Mint $10