Help With Classification Of Error On 1997 D Penny Obverse

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Author	Replies: 10 / Views: 497
MRC4U New Member United States 12 Posts	Posted 12/13/2023 02:43 am I am trying to identify the object on the obverse of this 1997 D Penny what the error classification might be and would the L in liberty be considered a weak strike? I would also like to know what term they use to describe what I believe to be service deterioration exposing subsurface metal on the reverse of the coin Report this Post to the Staff

John1 Moderator United States 56855 Posts	Posted 12/13/2023 05:11 am Looks like a large gas bubble on your one cent piece. John1 Report this Post to the Staff
Dearborn Moderator United States 94867 Posts	Posted 12/13/2023 06:45 am either a plating bubble or just damage. Collecting since 1972. Learning from then on "Tell me and I forget. Teach me and I remember. Involve me and I learn." - Benjamin Franklin 7070 type set coin count: 51/76 Uncirculated American Silver Eagles My American Silver Eagle Proof Collection Sacagawea Dollars Innovation Dollars Eisenhower-Dollars Kennedy-Half Dollars Washington-Quarters Roosevelt-Dimes Buffalo-Nickels 1938-2005 Jefferson-Nickels Lincoln-Cents Report this Post to the Staff
Coinfrog Bedrock of the Community United States 94367 Posts	Posted 12/13/2023 08:00 am That's odd. Any other thoughts? to the CYCF! Report this Post to the Staff
oddguy Pillar of the Community United States 4135 Posts	Posted 12/13/2023 08:31 am I will say damage because hit mark on rim which was nicked when something hit close to rim pushing metal to mound up. You can see whatever hit rim also hit the most inner mound. Report this Post to the Staff
-makecents- Pillar of the Community United States 8731 Posts	Posted 12/13/2023 08:53 am John1 gives the best cause, as far as I can tell, a gas bubble, it may even be solid now, with the obvious plating issues going on. The L looks fairly normal, probably just due to circulation/deterioration. The term to describe what is going on with the reverse is "zinc deterioration", commonly referred to as zinc rot. LINK https://www.error-ref.com/zinc-dete...ncoln-cents/ -makecents- Report this Post to the Staff
Tunnioc Pillar of the Community United States 3170 Posts	Posted 12/13/2023 09:05 am Looks like it was a rather nice gas bubble that somebody popped with a fingernail. Report this Post to the Staff
robbudo Pillar of the Community United States 2757 Posts	Posted 12/13/2023 09:12 am i see damage on the rim on the opposite side of the coin as the 'bubble'. Put me down for 'unsure'. Report this Post to the Staff
Sharks Pillar of the Community Canada 1761 Posts	Posted 12/13/2023 12:41 pm MRC4U Rim damage with probable gas bubble. Report this Post to the Staff
Errers and Varietys Bedrock of the Community United States 73718 Posts	Posted 12/13/2023 12:50 pm Rim hit with possible gas bubble. Errers and Varietys. Report this Post to the Staff
Cujohn Pillar of the Community United States 7174 Posts	Posted 12/13/2023 5:00 pm to the CCF and Report this Post to the Staff
	Replies: 10 / Views: 497

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