1991-D Jefferson Nickel Struck On Improperly Annealed Planchet?

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Author	Replies: 11 / Views: 1,304
Finn70 Valued Member United States 247 Posts	Posted 08/16/2019 5:51 pm Report this Post to the Staff

Errers and Varietys Bedrock of the Community United States 74810 Posts	Posted 08/16/2019 5:54 pm What's the weight of your coin? I was also wondering if you can get a picture of the rim and edge as well? Errers and Varietys. Report this Post to the Staff
kanga Pillar of the Community United States 5825 Posts	Posted 08/16/2019 5:58 pm I not sure planchets are annealed. I thought annealing was done to working dies to soften the steel before a second impression was made to strengthen the design. Report this Post to the Staff
Gincoin43 Pillar of the Community United States 1543 Posts	Posted 08/16/2019 6:04 pm I would say no form the look, but it would just be a guess. Here is an article on improper Annealing in Nickles: http://www.error-ref.com/improper-annealing/ The ones they show look like they are clad in copper. Report this Post to the Staff
John1 Moderator United States 56855 Posts	Posted 08/16/2019 6:31 pm Your coin has nothing to do with annealing. Slight chance of it being a Struck Through Grease but looks more like post strike damage. John1 Report this Post to the Staff
Finn70 Valued Member United States 247 Posts	Posted 08/16/2019 6:33 pm Report this Post to the Staff
Errers and Varietys Bedrock of the Community United States 74810 Posts	Posted 08/16/2019 6:36 pm Finn70, do you know how much it weighs? Errers and Varietys. Report this Post to the Staff
Finn70 Valued Member United States 247 Posts	Posted 08/16/2019 6:37 pm Rim looks normal. Weight normal 5 grams. The weakness in the strike seems to be confined at the perimeter of the coin's field. Report this Post to the Staff
Finn70 Valued Member United States 247 Posts	Posted 08/16/2019 6:48 pm A strike on an improperly annealed blank or planchet is defined as: A coin struck on a blank or planchet that failed to receive the correct amount of heating in the annealing process, or which bypassed the annealing oven, showing on the struck coin as a weakness of the strike, with poor metal flow into the design elements. (Alan Herbert.) Report this Post to the Staff
Errers and Varietys Bedrock of the Community United States 74810 Posts	Posted 08/16/2019 7:35 pm Not a Improperly Annealed issue. Maybe a Weak Low Pressure Strike? http://www.error-ref.com/weak_strik...rampressure/ Errers and Varietys. Report this Post to the Staff
Finn70 Valued Member United States 247 Posts	Posted 08/16/2019 8:33 pm Errers: thanks for the great link! I'm leaning towards a low pressure strike. Die adjustment strike? A keeper or spender? Edited by Finn70 08/16/2019 8:52 pm Report this Post to the Staff
Errers and Varietys Bedrock of the Community United States 74810 Posts	Posted 08/16/2019 10:43 pm It would be a keeper for sure, if it's that. I'll get Mike Diamond to look at it (a coin expert). Errers and Varietys. Report this Post to the Staff
	Replies: 11 / Views: 1,304

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