Discussion in 'Error Coins' started by Mjam808, May 5, 2021.
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Another member of Coin Talk has a list showing the weight and tolerance for all US coins. If I can find it again, I'll post the link. (Tomorrow, as it's late here and I'm off to dreamland).
Cool! Thanks for the reply.
@expat Thank you for posting the chart.
Hey, just wanted to say thanks for posting that tolerance chart. I was also wondering where you found it and if there was any more information about how often off weight coins are accidentally made and released. I have a 1983 d penny that is a decent amount above the tolerance. It’s 2.93 grams. I know there were a few 1983 coppers found and one of them actually weighed in at 2.9 and a couple at 3.0 but I’m about 99% sure it’s not a copper cent.
The chart and other info like it can easily be found on the web.
@Mjam808. Welcome to Coin Talk. I should've said it on my first post but better late than never.
Most precious metal standards include a hard minimum value. A one-ounce silver eagle must have at least 31.1g of 0.999 silver. It could be over, it cannot be under.
Non-precious metal standards are +/- ... and only apply at the 95% level. e.g. out of 100 Lincoln cents, 95% must be 2.5g +/- 0.11g (2.39 to 2.61) and 5% can be outside of those limits.
This was really helpful. Thanks
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