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<p>[QUOTE=&quot;Silverlock, post: 3225682, member: 98181&quot;]The silver content of AR ancient coins varies considerably, but you can find lab analyses done for many types. Theoretically you should be able to ring test the 90% -ish ones (matching pre-1964 US silver), but in practice it just doesn&#039;t work. Try it yourself with a Roman republican denarius (high 90%s silver) and a 90% silver US dime. The rings aren’t even close. Whether this is due to crystallization, differences in the base metals in the alloy, annealing, the shape of coin, or something else I do not know.</p><p><br /></p><p>To test the surface, you can buy silver testing solution from amazon. It will stain the coin so test the edge. If you want a quick test for solid silver, you might try a silver slide. It works pretty well. Just be sure to put something over the magnets to keep them from scratching your coins.[/QUOTE]</p><p><br /></p>

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