Lunar Series II coins from the Perth Mint offer some of the greatest variety to precious metal enthusiasts. If you’re an avid collector, the proof versions are available in a variety of different styles. For the investor, silver and gold Lunar Series II coins feature .999 and .9999 purity, respectively in silver and gold. Today, the 2015 1 oz Proof Colorized Australian Silver Goat Coin is available from JM Bullion.