1997 D Penny - Strike-Through? Repunched Mint Mark / RPM ?

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Author	Replies: 9 / Views: 861
Bogiesmokes Valued Member United States 197 Posts	Posted 05/19/2021 12:27 am Gas station change. Any thoughts on the mint mark? Thank you in advance... Report this Post to the Staff

SamCoin Pillar of the Community United States 3237 Posts	Posted 05/19/2021 12:59 am Probably gas bubbles under the plating. Mint mark varieties aren't a thing on coins minted after 1989. Report this Post to the Staff
Numisma Pillar of the Community United States 4963 Posts	Posted 05/19/2021 01:10 am Just an especially pronounced linear plating bubble. Notice how it lines up with the rest all over the coin. This is something you see fairly frequently on plated zinc cents, but it can't happen on other American coins. It's worth noting that strike-throughs are incuse on the coin. This plating bubble is raised. Edited by Numisma 05/19/2021 01:12 am Report this Post to the Staff
spru Bedrock of the Community United States 12477 Posts	Posted 05/19/2021 02:57 am Definitely appears to be a plating bubble. In Memory of Crazyb0 12-26-1951 to 7-27-2020 In Memory of Tootallious 3-31-1964 to 4-15-2020 In Memory of T-BOP 10-12-1949 to 1-19-2024 Report this Post to the Staff
John1 Moderator United States 56855 Posts	Posted 05/19/2021 04:29 am Report this Post to the Staff
coop Bedrock of the Community United States 62064 Posts	Posted 05/19/2021 07:57 am If a bubble, then it will press down with a toothpick. (I feel it will press down) Report this Post to the Staff
chafemasterj Pillar of the Community United States 6514 Posts	Posted 05/19/2021 10:13 am Coop beat me with the toothpick test. Give it a shot. Check out my counterstamped Lincoln Cent collection: http://goccf.com/t/303507 Report this Post to the Staff
Bogiesmokes Valued Member United States 197 Posts	Posted 05/19/2021 11:42 am Here's a picture after doing the 'toothpick test'. I believe this confirms that it's a plating bubble? Many thanks, Numisma, for the strike-through/incuse explanation, and SamCoin for the post-1989 mint mark info, and Coop (w/chafe) for the toothpick test (foil test, toothpick test, I look forward to finding out what object will be used in the next test you recommend : ) John1, I always appreciate your replies...I learn something new every time I post. Report this Post to the Staff
coop Bedrock of the Community United States 62064 Posts	Posted 05/19/2021 3:14 pm Also, there are no more RPMs after 1989. In 1990, the mintmarks are part of the design. So if the mintmark is showing, doubling, it is not a RPM, but a DDO instead. Report this Post to the Staff
Coinfrog Bedrock of the Community United States 94367 Posts	Posted 05/19/2021 3:20 pm Ta-da! Report this Post to the Staff
	Replies: 9 / Views: 861

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1997 D Penny - Strike-Through? RPM?