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<p>[QUOTE="Oldhoopster, post: 3090213, member: 84179"]Finding a 3.11 gram 1983-D cent is equivalent to going out tonight and picking the winning Power Ball numbers. A very small number have been found, but the chances that you found one is slim (you can do the math).</p><p><br /></p><p>You need to check the following:</p><p>* Is your scale calibrated</p><p>* What is the resolution of scale. 0.1 Grams? 0.01 grams?</p><p><br /></p><p>A quick check is to take 4 or 5 one cent coins minted before 1982 and weigh them. They should weigh close to 3.11 grams. (you should always weigh more than 1 coin) Do the same with coins minted after 1983. They should each be close to 2.50 grams. If that's what you get, then your scale is probably OK. Now reweigh your 1983-D.</p><p><br /></p><p>It's hard to tell from the pics but it looks like there are some small plating bubbles on the reverse. If there are plating bubbles, then your coin is the normal zinc type and will not weigh 3.11 grams[/QUOTE]</p><p><br /></p>
[QUOTE="Oldhoopster, post: 3090213, member: 84179"]Finding a 3.11 gram 1983-D cent is equivalent to going out tonight and picking the winning Power Ball numbers. A very small number have been found, but the chances that you found one is slim (you can do the math). You need to check the following: * Is your scale calibrated * What is the resolution of scale. 0.1 Grams? 0.01 grams? A quick check is to take 4 or 5 one cent coins minted before 1982 and weigh them. They should weigh close to 3.11 grams. (you should always weigh more than 1 coin) Do the same with coins minted after 1983. They should each be close to 2.50 grams. If that's what you get, then your scale is probably OK. Now reweigh your 1983-D. It's hard to tell from the pics but it looks like there are some small plating bubbles on the reverse. If there are plating bubbles, then your coin is the normal zinc type and will not weigh 3.11 grams[/QUOTE]
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1967 Lincoln memorial die errors
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