2017 Australian Koala silver coin minted by the Perth Mint. This 1 oz round coin has a fineness of 0.999 and is ungraded. The coin's composition is silver, and it features the iconic Australian Koala design. The certification status of the coin is uncertified. The coin's unit type is ounces, and it is legal tender with a face value of $1. The coin was minted in Australia.