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<p>[QUOTE=&quot;SuperDave, post: 2610276, member: 1892&quot;]The thing to start with when contemplating something like this mint mark is, <i>the Mint could not have done that</i>. Their mint marks are the right shape. <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie1" alt=":)" unselectable="on" unselectable="on" /></p><p><br /></p><p>Therefore, if the MM is totally the wrong shape, as here, you have to look at postmint causes. Particularly with Lincolns after 1982, you have to consider the fact that they&#039;re composed of a thin layer of copper over zinc, one of the most reactive metals in existence. Zlincolns, as we call them, are basically born dying. They manifest all sorts of oddities even from the initial strike - bubbling, cracked cladding, striations - and the moment a nick allows the atmosphere to reach the zinc inside, the coin is doomed.[/QUOTE]</p><p><br /></p>

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