1973 D - 3.24 Gr. Why? - Coin Community Forum

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Author	Replies: 9 / Views: 1,468
kalinas New Member United States 46 Posts	Posted 12/07/2014 7:04 pm I have no explanation why the coin's weight is 3.24 gr. Do you have such? Report this Post to the Staff

John1 Moderator United States 56855 Posts	Posted 12/07/2014 7:36 pm I am sure you already check to see if your scale is right. John1 Report this Post to the Staff
coop Bedrock of the Community United States 62064 Posts	Posted 12/07/2014 9:55 pm Try with several examples to see if it is the scale. It might be a thick planchet? Report this Post to the Staff
kalinas New Member United States 46 Posts	Posted 12/07/2014 11:56 pm The weight is 3.24 gr. I'm sure. I did that with many coins. Report this Post to the Staff
Conder101 Bedrock of the Community United States 17884 Posts	Posted 12/08/2014 08:56 am Well then it is very slightly overweight. Spec is 3.1 +/- .1 grams so it is .04 grams out of spec. Report this Post to the Staff
kalinas New Member United States 46 Posts	Posted 12/08/2014 11:01 am It's + 0.13 Report this Post to the Staff
Pete2226 Pillar of the Community United States 3331 Posts	Posted 12/08/2014 1:27 pm How does the thickness appear when held next to another penny. Do you have a way to measure the thickness? I have an antique device which will measure interior or exterior dimensions - designed for watch parts. It measures in 1/10 millimeters. Perhaps you could find a friendly watch maker who could help you with a measurement? Edited by Pete2226 12/08/2014 1:33 pm Report this Post to the Staff
kalinas New Member United States 46 Posts	Posted 12/08/2014 2:33 pm Thanks, yes I have to find something for measurement the thickness. Report this Post to the Staff
coop Bedrock of the Community United States 62064 Posts	Posted 12/08/2014 3:17 pm The thickness isn't measured by the rim, but of the planchet. It is probably so little, it wouldn't be detected. The rim on some coins are raised higher during the setup process of the planchets but don't affect the weight. It is the weight that is heavier on your coin. Report this Post to the Staff
Conder101 Bedrock of the Community United States 17884 Posts	Posted 12/09/2014 2:36 pm Quote: It's + 0.13 Re-read what I said about what the Spec was. Your coin is only .04 grams out of spec. Not a significant amount. Also, if the mint had a thickness specification it would be applied to the strip or the blank, not the planchet or finished coin. Trying to apply a thickness measurement to a coin, whose those thickness varies depending on where you measure it and on how strongly the coin was struck is a bit of a fools errand. Edited by Conder101 12/09/2014 2:43 pm Report this Post to the Staff
	Replies: 9 / Views: 1,468

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