Tolerance Specs For Zincolns? - Coin Community Forum

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Author	Replies: 7 / Views: 885
biokemist6 Bedrock of the Community United States 12437 Posts	Posted 11/25/2008 8:49 pm I am seeking Weight Tolerance specs for post-1982 Lincoln cents. What would be the allowed variance in hundredths of a gram? Report this Post to the Staff

BH1964 Bedrock of the Community United States 10982 Posts	Posted 11/25/2008 9:28 pm That's an interesting question. Although the nominal weight of 2.50g is well known, I've never come across a tolerance for weight. Of course excessive wear could bring the weight down significantly, I'd bet an upper tolerance would not exceed 2.60g. It'll be interesting to see if someone has a firm answer. ANA #R3154474 Report this Post to the Staff
Conder101 Bedrock of the Community United States 17884 Posts	Posted 11/26/2008 05:33 am I'll check later when I have my books at hand but I think it's the same as the copper alloy coins +/- .1 grams. Report this Post to the Staff
rockdude Pillar of the Community United States 1807 Posts	Posted 11/26/2008 1:06 pm I'd agree with Conder101. And I'm curious why you want it. Report this Post to the Staff
biokemist6 Bedrock of the Community United States 12437 Posts	Posted 11/26/2008 3:44 pm I have a couple Zincoln planchet sets(Type 1, Type 2 unplated, Type 2 plated) and all but two weighed what I would have expected. One Type 2 unplated was 2.503g and a Type 2 plated was 2.597g. Report this Post to the Staff
pyrbob Rest in Peace United States 1943 Posts	Posted 11/26/2008 6:05 pm According to the Coneca Handbook the 1982 to date lincolns weigh 38.581 grains with a tolerance of 1.54 grains. Report this Post to the Staff
Conder101 Bedrock of the Community United States 17884 Posts	Posted 11/26/2008 7:31 pm I was right on the specs for the Zincolns, the tolerance on the copper was off though, they are allowed .13 grams +/- So a Zincoln can weigh from 2.4 to 2.6 grams and still be within tolerance. Edited by Conder101 11/26/2008 7:32 pm Report this Post to the Staff
biokemist6 Bedrock of the Community United States 12437 Posts	Posted 11/29/2008 12:14 am Sounds good, I was hoping it went up to 2.6g so they fall in range. Thanks for the hard numbers Report this Post to the Staff
	Replies: 7 / Views: 885

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