1/2 oz 2013 Koala, 84,184 mintage 28 ea . 8 left (4oz total), good condition from sealed rolls . 1/2 oz 2014 koala, 81,752 mintage 28 ea . 8 left (4oz total) good condition from sealed rolls . 2022 Koala 15th Anniversary 3oz Gilded Silver Proof Coin . 2,000 minted - $375 for a unique 3oz coin . 1 left - mint condition boxed proof coin - features the 2007 koala on the obverse. . postage $11/15