2017 South Africa 50th Anniversary of The Krugerrand 2oz silver Bar With 1oz Silver Coin. Silver Content (troy oz) 3. Fineness(% purity) 99.9. Minimum Gross Weight(g) 93.405. Maximum Diameter Coin(mm) 38.725. Maximum Diameter Bar(mm) 50×80. Quality Bar reverse proof. Special Feature Bar Individually Numbered. Set Mintage 5,000.