1983 Lincoln Denver Copper Strike? - Coin Community Forum

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Author	Replies: 6 / Views: 1,203
rainman503 Valued Member United States 231 Posts	Posted 06/16/2016 07:55 am 2.8g for a 1983 Denver Lincoln. I am assuming of course that it is just a heavy Zinc (2.5-2.6g) and not just a lightweight Copper (3.1g) but...? What do you think? Report this Post to the Staff

NoPoMoCo Valued Member United States 403 Posts	Posted 06/16/2016 08:09 am Either there's something stuck to the reverse or your balance is inaccurate. Does it correctly measure the expected 2.4-2.6 g range of several other zinc cents? Report this Post to the Staff
nss-52 Moderator United States 54282 Posts	Posted 06/16/2016 08:12 am Maybe it was struck on a planchet meant for a foreign coin. Maybe it is steel. Maybe it got a double or triple copper plating in error. Maybe it is the rare transitional 50%-50% copper zinc planchet. Show your financial support of the Coin Community Family (click here) See my topic on Mexican Numismatic Medals (click here) Report this Post to the Staff
tapapple65 Pillar of the Community United States 538 Posts	Posted 06/16/2016 08:32 am There has been several 83 copper cents found. Is your coin normal thickness? Report this Post to the Staff
mikediamond Pillar of the Community United States 2737 Posts	Posted 06/16/2016 10:01 am Tap it lightly as it rests on a fingertip or drop onto a hard surface from a low height. If it gives off a low "thunk",then it's zinc. Error coin writer and researcher. Report this Post to the Staff
BlueSolo Pillar of the Community United States 740 Posts	Posted 06/16/2016 2:19 pm Check for plating bubbles. Early '83 coins are plagued with them. Report this Post to the Staff
Conder101 Bedrock of the Community United States 17884 Posts	Posted 06/16/2016 4:48 pm I agree check for the "thunk' and if it isn't there than the next step would be a specific gravity test. It would definitely tell you if it is zinc or copper. Edited by Conder101 06/16/2016 4:49 pm Report this Post to the Staff
	Replies: 6 / Views: 1,203

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