The 2010 Centenary of Australian Coinage Four Coin Set is the first presentation of the Royal Australian Mint’s annual mintmark/privy mark collection in a singular package. Similar to the Mint’s uncirculated six coin year sets this new product features four coins heat-sealed inside a collector card.All coins included in the uncirculated coin set are - $1 ‘C’ mintmark (pictured) and the $1 ‘S’, ‘M’, and ‘B’ Privy marks.