2006 $1 Silver Kangaroo Frosted Uncirculated Coin. Considered one of the world's most unique and fascinating animals, the kangaroo has become a symbol of Australia as a nation. This 2006 coin continues the Royal Australian Mint's popular series of coins created to commemorate this wonderful creature. The design of this coin features one of nature's most fascinating sights,the kangaroo bounding across Australia with a joey riding in its mother's pouch. Please contact Adelaide Exchange Jewellers to find out more on this item.