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<p>[QUOTE="NumisRookie, post: 2296380, member: 76195"]I have a 500X digital microscope. If it was mechanically removed there would be some kind of pattern from whatever was used right? When you say mechanical, I imagine some kind of grinder and anything like that would have an abrasive surface that was always moving in one or two directions, but that's it, right? At 500X I might be able to see grooves. </p><p><br /></p><p>My guess has turned to grease filled die but I had a hard time imagining both sides showing that. The odds of that seem highly unlikely. </p><p><br /></p><p>I had also thought about some kind of mechanical failure during the minting process being the culprit. Die adjustment isn't my top hypothesis anymore. But if it happened because of the die not coming to full depth then the planchet would have to have a higher outer area than central area, and that's highly unlikely like you said. </p><p><br /></p><p>I have a nice scale that goes to 100th or maybe 1000th of a gram. I'll weigh it too. </p><p><br /></p><p>I wouldn't mind sending this to one of y'all that would know for sure because once you are holding it I think you would have a hard time saying it's from anything mechanical. </p><p><br /></p><p>My curiosity has nothing to do with monetary fueled desires. I only want to know the story of the coin.....thats what it's all about, for me, with most of my curiosities.[/QUOTE]</p><p><br /></p>
[QUOTE="NumisRookie, post: 2296380, member: 76195"]I have a 500X digital microscope. If it was mechanically removed there would be some kind of pattern from whatever was used right? When you say mechanical, I imagine some kind of grinder and anything like that would have an abrasive surface that was always moving in one or two directions, but that's it, right? At 500X I might be able to see grooves. My guess has turned to grease filled die but I had a hard time imagining both sides showing that. The odds of that seem highly unlikely. I had also thought about some kind of mechanical failure during the minting process being the culprit. Die adjustment isn't my top hypothesis anymore. But if it happened because of the die not coming to full depth then the planchet would have to have a higher outer area than central area, and that's highly unlikely like you said. I have a nice scale that goes to 100th or maybe 1000th of a gram. I'll weigh it too. I wouldn't mind sending this to one of y'all that would know for sure because once you are holding it I think you would have a hard time saying it's from anything mechanical. My curiosity has nothing to do with monetary fueled desires. I only want to know the story of the coin.....thats what it's all about, for me, with most of my curiosities.[/QUOTE]
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