Apothecaries' system between actual and nominal weight. In the 19th century, most European countries or cities still had at least a "commercial" or "civil" system (such as the English avoirdupois system) for general trading, and a second system (such as the troy system) for precious metals such as gold and silver. The system for precious metals was usually divided in a different way from the commercial system, often using special units such as the carat. More significantly, it was often based on different weight standards. The apothecaries' system often used the same ounces as the precious metals system, although even then the
Texas Precious Metals of plastic composite. The mini monster box contains 250 silver rounds, or half a standard monster box. In 2017, Texas Precious Metals spun off the Texas Mint as its own division with the purpose of "expanding the product line and distributing these products to other national dealers". Using the Texas State Capitol as the theme for these products, the Texas Mint introduced one ounce gold rounds, one ounce silver bars, ten ounce silver bars, and one hundred ounce silver bars, in addition to the one ounce Texas Silver Round. In September 2017, the company announced a partnership with Amark Precious