1981 D Lincoln Memorial Cent / LMC With "repunched Mint Mark / RPM "

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Author	Replies: 12 / Views: 907
Bill Kerr Valued Member United States 421 Posts	Posted 07/16/2025 06:38 am Guys your thoughts on this coin? Thanks. Report this Post to the Staff

Spence Moderator United States 34395 Posts	Posted 07/16/2025 06:55 am Steplike doubling that serves to reduce the width of a design element (in this case the mintmark) is going to be Machine Doubling every time. "If you climb a good tree, you get a push." -----Ghanaian proverb "The danger we all now face is distinguishing between what is authentic and what is performed." -----King Adz Report this Post to the Staff
JimmyD Bedrock of the Community Canada 21586 Posts	Posted 07/16/2025 07:33 am Note how the primary D has been reduced, another sign of Machine Doubling. Report this Post to the Staff
ijn1944 Bedrock of the Community United States 19118 Posts	Posted 07/16/2025 07:34 am Agree--looks to be a matter of Machine Doubling. Report this Post to the Staff
jbuck Moderator United States 187702 Posts	Posted 07/16/2025 09:34 am I concur as well. Coin Collector Since 1978 Avatar Old Avatar 7070 Eisenhower Australia Canada World CCF Members on eBay CCF eBay Search Engine Report this Post to the Staff
Errers and Varietys Bedrock of the Community United States 73706 Posts	Posted 07/16/2025 10:21 am Agreed, Machine Doubling. Errers and Varietys. Report this Post to the Staff
Dearborn Moderator United States 94795 Posts	Posted 07/16/2025 12:23 pm yes, with above 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
Bill Kerr Valued Member United States 421 Posts	Posted 07/16/2025 3:03 pm thanks Report this Post to the Staff
Marv65 Bedrock of the Community United States 10484 Posts	Posted 07/17/2025 01:20 am Good eye to spot that though! Report this Post to the Staff
NY Islander Pillar of the Community United States 978 Posts	Posted 02/20/2026 6:46 pm I found something similar in a BU roll. There were several 1981 D's that I originally thought were mechanically doubled MM's based on the shelving. But then realized Mechanical Doubling is a one off event and there shouldn't be several exactly the same mechanically doubled MM's in a roll. Is there something I'm missing? Thoughts? "We are all flawed, some MD and some PMD." NYI Report this Post to the Staff
JimmyD Bedrock of the Community Canada 21586 Posts	Posted 02/20/2026 6:56 pm MD can affect more than one coin and is not a one off. event. It is caused by a loose collar or other loose machine part and until it is tightened, all strikes will show some MD. Also if you look closely at your two photos, they are not exactly the same, There is a slight difference Edited by JimmyD 02/20/2026 7:05 pm Report this Post to the Staff
-makecents- Pillar of the Community United States 8731 Posts	Posted 02/20/2026 8:14 pm Quote: they are not exactly the same, There is a slight difference I agree, MD, a more appropriate term with this type of MD when there is nothing else involved is "isolated MD". LINK https://www.error-ref.com/isolated-...ne-doubling/ -makecents- Report this Post to the Staff
NY Islander Pillar of the Community United States 978 Posts	Posted 02/20/2026 9:54 pm Thanks! I've got a more clear understanding of MD. MD'ed coins struck with the same loose collar can be similar but cannot exactly the same. "We are all flawed, some MD and some PMD." NYI Report this Post to the Staff
	Replies: 12 / Views: 907

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1981 D LMC With "RPM"