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<p>[QUOTE=&quot;Marshall, post: 7749014, member: 21705&quot;]While every coin is unique, I&#039;ve seen this type of coin several times.</p><p><br /></p><p>I suspect it is a training event to learn how to use and control pressure applied to copper snips by those who were training to do electrical work with copper wiring. How much pressure can you consistently apply to cut, secure or strip copper?</p><p><br /></p><p>I grew up where there were a lot of men in the electrical trades to meet the needs of the plants in the area. Perhaps that is why I&#039;ve seen several. I do think most will be dated from the 50s to the 70s though.</p><p><br /></p><p>That is also the time frame for an old time temporary fix when they used fuses rather than circuit breakers. It was not uncommon, even if dangerous, to place a cent on the end of a blown fuse to restore electricity until a replacement could be obtained. Like I say, it was unwise, but common at the time. Many house fires were started when this was done, but in cases where the fuse did not go out for cause, it seemed to be a cheap do-it-yourself solution. The damage might only impact one side of the coin as it is screwed in and tightened, though I do not know if the end of the fuse or the receiver had the hard metal structure to do this. Fuse systems were largely replaced with circuit breakers in new construction in the sixties leaving only older houses with the fuse systems.</p><p><br /></p><p>Anyway, these are just alternative possible explanations for such Post Mint Damage and why I might have seen more than my share.[/QUOTE]</p><p><br /></p>

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