2005 $1 Silver Kangaroo Frosted Uncirculated Coin. The 2005 $1 Silver Kangaroo Frosted Uncirculated Coin is a superb contemporary design of a bounding kangaroo silhouetted against a stylised orb that depicts the Australian sun. The design also incorporates the stars of the Southern Cross. Please contact Adelaide Exchange Jewellers to find out more on this item.