The Birds of Australia Ten Dollar Silver Coin featuring a cockatoo was minted by the Royal Australian Mint in 1990. This coin is composed of silver and comes with a set of matching coins from the same year. It is proofed and mint marked, making it a valuable addition to any coin collection, especially for those interested in Australian coins and wildlife. The design of the coin showcases the beauty and uniqueness of Australian birds, specifically the cockatoo, making it a sought-after piece for collectors.