1990 Lincoln Cent Errors - Coin Community Forum

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Author	Replies: 4 / Views: 527
Clwang Valued Member United States 336 Posts	Posted 05/27/2023 06:49 am Weight 2.5g What happened to UNITED STATES on reverse? Report this Post to the Staff

-makecents- Pillar of the Community United States 8740 Posts	Posted 05/27/2023 07:19 am It's "push doubling", a form of Machine Doubling. LINK https://www.error-ref.com/push-doubling/ -makecents- Report this Post to the Staff
Spence Moderator United States 34397 Posts	Posted 05/27/2023 08:57 am Also, between the tops of some of the letters and the rim are areas that appear gray. Those are places where the copper plating was stretched too thin and the underlying zinc is now showing through. "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
Dearborn Moderator United States 95423 Posts	Posted 05/27/2023 09:38 am with jon. 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
coop Bedrock of the Community United States 62064 Posts	Posted 05/27/2023 11:09 am It is a split plating issue. I feel Machine Doubling is other what causes this to happen from the die movement after the strike. (Note the MD on the Left side of the devices?) Report this Post to the Staff
	Replies: 4 / Views: 527

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