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<p>[QUOTE=&quot;hontonai, post: 375032, member: 4703&quot;] <ol> <li>Make a list of the weights of pre-1965 silver and gold US coins.</li> <li>Carry a portable electronic scale, a refrigerator magnet, and a sheet of tissue paper with you.</li> <li>Compare the weight of each questioned coin to your list.</li> <li>Touch the magnet to each silvery colored coin.</li> <li>Lay the tissue on top of each silvery colored coin under the strong light usually available at a store or show (at flea markets/yard sales just shine a flashlight on it at close range)</li> </ol><p>Real gold coins will be significantly heavier than base metal coins of the same size, and real silver coins will approximate the weight of similarly-sized US coins.</p><p><br /></p><p>The system won&#039;t be perfect, but it should weed out most of the brass and shiny cu-ni.&nbsp; The magnet will ID the pure nickel and the steel coins. </p><p><br /></p><p>The tissue paper test should also help on differentiating silver/cu-ni.&nbsp; Silver coins will stand out by their much greater reflectivity.</p><p><br /></p><p>Aluminum, of course, will be obvious by its light weight.</p><p><br /></p><p>No non-destructive test will be conclusive, but perhaps you can increase your odds of choosing precious metal.[/QUOTE]</p><p><br /></p>

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