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<p>[QUOTE="Numismat, post: 1345128, member: 15019"]Well, if you have a good caliper you can just measure it. IF one coin is 70% silver, the other 80% silver and both are the same weight, the 70% one will be slightly larger in at least one dimension.</p><p>Of course you will need a confirmed example of at least one variety to know how to read the measurement.</p><p>Or you can do the electromagnetic test and compare to another coin that is either 70% or 80% silver. The result will show which one it's closest to.[/QUOTE]</p><p><br /></p>
[QUOTE="Numismat, post: 1345128, member: 15019"]Well, if you have a good caliper you can just measure it. IF one coin is 70% silver, the other 80% silver and both are the same weight, the 70% one will be slightly larger in at least one dimension. Of course you will need a confirmed example of at least one variety to know how to read the measurement. Or you can do the electromagnetic test and compare to another coin that is either 70% or 80% silver. The result will show which one it's closest to.[/QUOTE]
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