The Australia Silver Koala coin is minted in sizes as small as one half ounce and as large as one kilogram. This one-kilo version is among the largest government-issued silver coin in the world.
Design of the Silver Australian Koala - The design of the reverse - or tails side - of the coin changes annually. The 2009 coin features a young koala holding onto a branch with a multifaceted background. The coin's obverse (heads) displays a bust of Queen Elizabeth II. This side also features the monarch's name, the word "Australia", and the face value of $30 (Aus).
Silver Koala Coin Minting Information - Silver Koala coins - like other gold and silver Australian coins - enjoy legal tender status via the Australian Currency Act of 1965. The Perth Mint is wholly-owned by the State Government of Western Australia and was founded in 1899.