The front of the 100 oz cast silver bar is embossed with the well-known Johnson Matthey assay mark of a ‘JM’ and small crossed hammers within a diamond logo, and the words ‘Johnson’ and ‘Matthey’ surrounding the top of the diamond. The silver purity of the bar ‘999’ is impressed into the bottom of the front surface.
In 2015, Johnson Matthey’s gold and silver refining operations in the US and Canada were acquired by the Japanese group Asahi Holdings, meaning that Johnson Matthey’s classic cast silver bars are no longer produced. For silver buyers, this adds a certain collectability to these particular silver bars.
This bar has the “SLC” stamp indicating that it was produced in the Johnson Matthey Salt Lake City refinery.
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