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<p>[QUOTE=&quot;-jeffB, post: 3707599, member: 27832&quot;]The amount of platinum used to plate the coin would be worth at most a couple of cents. It&#039;s a <i>very</i> thin layer. For the same reason, it wouldn&#039;t change the weight enough to measure.</p><p><br /></p><p>If your scale only measures to the nearest gram, it&#039;s probably not useful for figuring out what&#039;s going on with this coin. I can guarantee it&#039;s not aluminum, though; aluminum has less than a third the density of copper or copper-nickel, so it would weigh less than two grams if it were made of aluminum.[/QUOTE]</p><p><br /></p>

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