Hallmark Precious Metals

HPM is another well known vintage hallmark that you don’t see a lot of anymore. The company operated out of Seattle, WA in the 1970s. Not a lot of information available, unfortunately. These are typically found in 10 oz class. The 1 and 5 oz varieties are extremely scarce.

Very cool design and stamp on this 10 oz class.
Obverse has the weight and purity and reverse pictured above with the hallmark stamp.
5 oz class has both hallmark and weight/purity on obverse.
Nice reverse on the 5 oz class HPM.

Here are a few more great examples that Brian R. shared for this post, including a first gen 10 oz class HPM. Very cool.

You don’t see many first gen 10 oz like top pictured. Awesome.
Reverse shot. Nice group here.

Author: Vintage Poured Bars

New blogger with a passion for old poured silver bars. I'm a Bay Area native and self employed. Active buyer of vintage silver poured bars and occasional seller.

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