In 2013 to celebrate the Lunar Year of the Snake, the Perth Mint released a very special Limited Issue Lunar Snake Gold Proof 3 Coin Set struck in solid fine .9999 pure Gold.
The set includes the $100 One Hundred Dollar Gold Proof 1oz Coin, the $25 Twenty Five Dollar Gold Proof 1/4 Coin and $15 Fifteen Dollar Gold Proof 1/10oz Coin.