Australia Shark Silver Coin Set - 2014 1/2 oz Silver Great White Shark and 2015 great Hammerhead Shark Uncirculated This is a set of two 1/2 oz coins struck in .999 fine Silver by the Perth Mint in Australia and are legal tender backed by Australian Government Reverse design for the 2014 coin features a great white shark, and a hammerhead shark for the 2015 edition. In both cases, the name, weight and purity of the coin are engraved near the rim surrounding the engravings of the ferocious sharks Obverse of both coins feature Her Majesty Queen Elizabeth II and the monetary denomination. Bonus: Randomly Chosen 2017 USPS Shark Stamp "First Day Cover" - An Envelope with a 2017 Shark Stamp Cancelled with a Unique Digital Color Postmark