![]() ![]() Because these bars became increasingly popular in North America and around the world, the company opened refineries in Utah and Ontario. In addition, the company was also responsible for the manufacturing of the first standard meter and kilogram in a platinum-iridium alloy, which are still in use today.īy the twentieth century, Johnson Matthey began making silver bars in the United Kingdom. By 1852, the company was appointed as the official assayer and precious metals refiner to the Bank of England. Each company has a long history and, although they no longer produce those items that were once the standard for bullion investors, their significant place in history remains.Įstablished in 1817 in London by Percival Norton Johnson with the equivalent of $15,000 in today’s dollars, Johnson Matthey began as assayers, testing the purity of a variety of precious metals. For those not familiar, here is a primer: Johnson Matthey and Englehard are two companies that have set the standard for producing privately minted silver bars during a time when many governments around the world were no longer including gold and silver in their coins. Johnson Matthey, Engelhard, and Privately Minted Silver Bars, photo courtesy of įor those very familiar with silver bullion, the names Johnson Matthey and Engelhard might ring a bell. ![]()
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