Australian Opal Lunar Series - 2016 Year of the Monkey 1oz Silver Proof Coin. The item "Australian Opal Lunar Series 2016 Year of the Monkey 1oz Silver Proof Coin" is in sale since Sunday, February 10, 2019. This item is in the category "Coins\Coins\Australian\Decimal". The seller is "coinsinmelbourne-6" and is located in Doncaster East, VIC. This item can be shipped worldwide.