In Pakistan, 20th century, a unit of mass, = 1 ounce avoirdupois, approximately 28.350 grams.
United Nations, 1966.
In the sale of gold bullion, a standard ounce is a troy ounce of 91.667% gold, approximately 22-carat. The British Royal Mint purchased in standard ounces, adjusting the payment according to the actual fineness of the metal.¹
Queensland Mining Guide. 1949 edition.
Brisbane: A.H. Tucker, Government Printer, 1949.
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