Journey into Silver's Past: A Resource for Collectors of Old Silver Bars
Spiral Metal Company, Inc.
I decided to dedicate a short piece today on Spiral Metal Company (out of New Jersey), as this particular hallmark eluded most of us until some recent provenance was discovered (thanks Mike B. if you are reading this). Looking at the hallmark, many guessed that this was PM, but it’s actually a style of cursive, not commonly used by any means. Take a look and you will see how this would be difficult to figure out.
Beautiful darkly toned ingot weighing 2.74 troy ounces. Reverse pic. Really well done and care was given to this particular pour.Provenance of the S an M. It’s a match! Thanks to Mike B. for sharing this publicly with fellow collectors.
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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2 thoughts on “Spiral Metal Company, Inc.”
I shared the 2 bars I have on facebook like this that are stamped SM1 and SM2. So its definitely an S and not a J or a P
Hey Eli, yes I saw those. Really great pieces. These should fetch very strong premiums with the recently found provenance. I’d love to add pictures of yours to the post here if you are willing to share. Would certainly recognize that they came from your collection. Would be good to see a few different styles of these.
Vintage Silver Bars 
I shared the 2 bars I have on facebook like this that are stamped SM1 and SM2. So its definitely an S and not a J or a P
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Hey Eli, yes I saw those. Really great pieces. These should fetch very strong premiums with the recently found provenance. I’d love to add pictures of yours to the post here if you are willing to share. Would certainly recognize that they came from your collection. Would be good to see a few different styles of these.
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