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<p>[QUOTE=&quot;Clawcoins, post: 3869979, member: 77814&quot;]Notice:</p><p>- how all the high points of the design are gone.&nbsp; Not just the copper plate, but the zinc core too.</p><p>- thus one can assume it was sanded down as even the zinc looked nicely sanded with a high grit number sand paper or something.</p><p>[ATTACH=full]1022584[/ATTACH]</p><p><br /></p><p>The combo of a zinc core and 8 micron thin copper plating was designed for low price.&nbsp; The steam test the Mint uses was designed to pass once, so that it can get through the cleaning process.&nbsp; In the &quot;wild&quot; aka circulation, c-zincolns going through people pockets in the laundry, if any scratch exposed the zinc would make it to start to corrode.&nbsp; The copper ends up like paint on a car when the steel underneath starts rusting.&nbsp; Matter of fact, c-zincolns don&#039;t need that help and can have some really bad surfaces before even circulation.[/QUOTE]</p><p><br /></p>

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