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<p>[QUOTE=&quot;digger, post: 38810, member: 1827&quot;]At first I thought acid corrosion ,but that doesn&#039;t seem to fit. Notice the indentations and that the original surface metal is still present, the inner zink is not exposed .Therefore it Can&#039;t be acid.</p><p>&nbsp; Then I thought a very clogged die, But there is those horizontal indentations again. I think I know what really happened here but I want everyone to have a chance at a guess before I give my opinion.</p><p><br /></p><p>&nbsp;Good Luck![/QUOTE]</p><p><br /></p>

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