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Vintage 1980s and 70s precious metals class rings.
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<p>[QUOTE="John Burgess, post: 4896907, member: 105098"]all of these are patented and trademarked alloys, most are high in silver like 75%-95% silver.</p><p>For Instance, Precium is supposed to be 74% silver, 25% Palladium, and 1% indium.</p><p><br /></p><p>Argentus is going to be harder to find out, it's not being done anymore I don't think, and they were secretive, only claiming "wholly or in part, silver composition".</p><p><br /></p><p>Same thing with Balfour, they are using Argentium now, not Polara.</p><p><br /></p><p>Argentium silver is a brand of modern tarnish-resistant silver alloys, containing 93.5% or 96% silver and the remaining is the metalloid germanium.</p><p><br /></p><p>these are all well know class ring companies, and branded alloys, it may take some digging, maybe a lot of digging, but you can find the alloy compositions.</p><p><br /></p><p>I think AUR is Extreme AuRista, an alloy that contains gold, silver and palladium along with other metals, a Herff Jones TM'ed alloy.</p><p><br /></p><p>Now can you trust the company and their metal suppliers to not cut corners on the alloy mix..... I wouldn't guarantee even if you do find what they had as their specific alloy mix, that it held true while they used it.</p><p><br /></p><p>through the 1980s- almost 2000 Palladium was cheap, like $100 an oz. it's when the automakers switched from platinum to palladium the prices went up with the exception of the dip in the 2000s financial crisis where it dropped way down and automakers switched back to platinum.</p><p><br /></p><p>Anywho.[/QUOTE]</p><p><br /></p>
[QUOTE="John Burgess, post: 4896907, member: 105098"]all of these are patented and trademarked alloys, most are high in silver like 75%-95% silver. For Instance, Precium is supposed to be 74% silver, 25% Palladium, and 1% indium. Argentus is going to be harder to find out, it's not being done anymore I don't think, and they were secretive, only claiming "wholly or in part, silver composition". Same thing with Balfour, they are using Argentium now, not Polara. Argentium silver is a brand of modern tarnish-resistant silver alloys, containing 93.5% or 96% silver and the remaining is the metalloid germanium. these are all well know class ring companies, and branded alloys, it may take some digging, maybe a lot of digging, but you can find the alloy compositions. I think AUR is Extreme AuRista, an alloy that contains gold, silver and palladium along with other metals, a Herff Jones TM'ed alloy. Now can you trust the company and their metal suppliers to not cut corners on the alloy mix..... I wouldn't guarantee even if you do find what they had as their specific alloy mix, that it held true while they used it. through the 1980s- almost 2000 Palladium was cheap, like $100 an oz. it's when the automakers switched from platinum to palladium the prices went up with the exception of the dip in the 2000s financial crisis where it dropped way down and automakers switched back to platinum. Anywho.[/QUOTE]
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Vintage 1980s and 70s precious metals class rings.
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