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How to tell if this is a real zinc cent?
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<p>[QUOTE="Dtort, post: 4960521, member: 113973"]I was wondering about that myself, since my scale only differentiates to .1 gram, and I don't know what the scale's margin of error is. The copper composition of the 2.5 gram cent is 2.5%, or .0625 g, which my scale probably rounds up to .1. But between that and the tolerances you mention, it's by no means certain. That's why I used the word "Likely". The weight is suggestive, but not certain. I suppose I can scrape off a bit and see if its zinc all the way down, but I really don't want to damage the coin, since if its a real error, its probably worth more than a regular 1995-d.[/QUOTE]</p><p><br /></p>
[QUOTE="Dtort, post: 4960521, member: 113973"]I was wondering about that myself, since my scale only differentiates to .1 gram, and I don't know what the scale's margin of error is. The copper composition of the 2.5 gram cent is 2.5%, or .0625 g, which my scale probably rounds up to .1. But between that and the tolerances you mention, it's by no means certain. That's why I used the word "Likely". The weight is suggestive, but not certain. I suppose I can scrape off a bit and see if its zinc all the way down, but I really don't want to damage the coin, since if its a real error, its probably worth more than a regular 1995-d.[/QUOTE]
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