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<p>[QUOTE=&quot;Coin Wisher, post: 2795229, member: 88226&quot;]Bronze is almost all copper, with a bit of tin. 1982 was the transition year for cents, when they went from solid copper, to plated. I was not aware that the plating was different from the old cents composition. The weight difference is due to the zinc core on the plated cent being lighter.[/QUOTE]</p><p><br /></p>

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