Ohio Precious Metals (OPM) is one of the United States’ largest refineries of precious metals. What originated in the garage of a couple bullion buffs in 1974 slowly grew into one of America’s most well-known refineries and one of the largest producers of COMEX and LBMA accredited bullion bars.
Currently, the 1oz OPM Gold Minted Bars are available to buy online from Cairns Bullion. |
Bar Highlights:
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These investment grade minted bars are produced using state-of-the-art minting technology. The gold is first melted down into a liquid form, then machined into minted bar form.
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