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<p>[QUOTE="SuperDave, post: 2321440, member: 1892"]Zlincolns fascinate me. They could not have created a more "planned obsolescence" coin if they'd tried. It's a zinc core with a copper clad, and zinc is a metal <b>so reactive</b> it's used as "sacrificial" to protect more important metals. A pinprick which exposes the zinc is death to a Zlincoln. Amazing. <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie1" alt=":)" unselectable="on" unselectable="on" />[/QUOTE]</p><p><br /></p>
[QUOTE="SuperDave, post: 2321440, member: 1892"]Zlincolns fascinate me. They could not have created a more "planned obsolescence" coin if they'd tried. It's a zinc core with a copper clad, and zinc is a metal [B]so reactive[/B] it's used as "sacrificial" to protect more important metals. A pinprick which exposes the zinc is death to a Zlincoln. Amazing. :)[/QUOTE]
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