Check the listing for details. 2011 Australia 1/10 oz Silver Koala BU (In display card). Listed at 15.95 USD. 2011 Australia 1/10 oz Silver Koala BU (In display card)ilver Koalas feature new designs each year, adding collectibility on top of their .999 fine Silver content. This 1/10 oz Silver Koala comes in a display card that lists the coin specifications and features an image similar to the coin's design.The 2011 Silver Koala series displays a mother Koala with her joey on a tree branch. As an added assurance to you, this 1/10 oz coin comes in an assay card.Coin Highlights:Contains 1/10 oz of .999 fine Silver.Each coin comes in a plastic capsule held within a colorful display card.Obverse: The Ian Rank-Broadley likeness of Her Majesty Queen Elizabeth II and the monetary denomination.Reverse: Features a mother koala with her joey on a tree branch.Sovereign coin backed by the Australian government.