Troy weight displaced it. Where once 240 pence made a tower pound (and 256 make a troy pound), by the time of the United Kingdom Weights and Measures Act of 1824, a troy pound gives 792 silver pence, still minted as such as Maundy Money. Sterling originally referred to the Norman silver penny of the late 11th century. The coin was minted to a fineness of 11 oz, 2 dwt (in the pound), or 925 Millesimal fineness. Troy weight Troy weight is a system of units of mass customarily used for precious metals and gemstones. One troy ounce (abbreviated "t oz" or
Wheaton Precious Metals Corporation Wheaton Precious Metals Corporation Silver Wheaton Corp. is a no longer pure play silver mining company but still the largest in the business of silver streaming. It produces over 26 million ounces and sells over 29 million ounces of silver mined by other companies (including Barrick Gold and Goldcorp) as a by-product of their main operations. In 2016 Silver Wheaton reported attributable production totaling 30.4 million ounces of and 353,700 ounces of . The Company also reported record silver and gold sales for the year, generating net earnings of US$195 million on operating cash flows of $584 million. In Q1