A troy ounce of gold is equal to 31.10 grams. It's really a device of measure 1st Utilized in the center Ages, originating in Troyes, France. Troy bodyweight units are largely Utilized in the Important Metals market. Struck in confined figures, Proof Krugerrand coins also differ from their bullion versions https://smart-money-empire.com/product/1oz-krugerrand-gold-coin/