1981 D Kennedy Half Dollar, What Is This Type Of Error Called?

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Author	Replies: 8 / Views: 1,025
bishftl Pillar of the Community United States 1020 Posts	Posted 03/31/2025 7:33 pm * Edited by Staff to Add Year and/or Mintmark and/or Denomination to Title. It's essential to have it in the title. * Report this Post to the Staff

oddguy Pillar of the Community United States 4135 Posts	Posted 03/31/2025 8:03 pm I would say coin has been in contact with something acidic but need to see both sides and edge to confirm that. Report this Post to the Staff
Errers and Varietys Bedrock of the Community United States 73945 Posts	Posted 03/31/2025 8:27 pm Can you get a reverse picture? I'm thinking the same thing as oddguy as well. Errers and Varietys. Report this Post to the Staff
ijn1944 Bedrock of the Community United States 19144 Posts	Posted 03/31/2025 9:20 pm Eager to see the reverse photo. Report this Post to the Staff
Dearborn Moderator United States 95443 Posts	Posted 03/31/2025 9:38 pm we need a reverse image as well. 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
Cujohn Pillar of the Community United States 7174 Posts	Posted 04/01/2025 4:51 pm Etched with some chemical. Report this Post to the Staff
bishftl Pillar of the Community United States 1020 Posts	Posted 02/06/2026 02:41 am Report this Post to the Staff
Dearborn Moderator United States 95443 Posts	Posted 02/06/2026 07:50 am sure looks like it was exposed to some sort of acidic environment. 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
Chase007 Pillar of the Community United States 7510 Posts	Posted 02/06/2026 09:33 am @Dearborn called it, result of a corrosive substance where the outer layer of Copper and Nickel have been eaten away and exposed.( composition of modern Kennedy halves, 1971-present is an outer layer of 75% copper and 25% nickel bonded to a pure copper core) Report this Post to the Staff
	Replies: 8 / Views: 1,025

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