1965 Washington Quarter - Annealing Error?

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Author	Replies: 7 / Views: 168
MintedNotPrinted Pillar of the Community United States 1512 Posts	Posted Today 16H 24M ago The flip was helpfully labelled "quarter" The weight is proper, so it's not missing a layer or plated over and heavy. The coin's surface has the appearance of a naturally toned copper coin, red brown to purples. The edge has no seam. Science experiment or truly an error? Thanks for looking. Report this Post to the Staff

HondoB Bedrock of the Community United States 26940 Posts	Posted Today 16H 16M ago My vote is for science experiment. Zr5DWUxavQg Inordinately fascinated by bits of metal with strange markings and figures Report this Post to the Staff
MintedNotPrinted Pillar of the Community United States 1512 Posts	Posted Today 16H 5M ago It truly doesn't appear plated. Edit: Here's a closeup and coin scope shots: Edited edit: I don't mean to be obtuse, I'm not convinced it's a true error. Old toned-over copper plating perhaps explains the look, but it would have to have been an extremely thin and uniform plating. Edited by MintedNotPrinted Today 15H 38M ago Report this Post to the Staff
NumisRob Bedrock of the Community United Kingdom 18315 Posts	Posted Today 13H 3M ago I've dug up cupro-nickel coins when metal detecting that look just like this. My vote is for environmental damage. My Trade List: https://goccf.com/t/194596 My Wants List: https://goccf.com/t/191710 Report this Post to the Staff
MintedNotPrinted Pillar of the Community United States 1512 Posts	Posted Today 8H 4M ago Thanks, NumisRob I started to lean that way thinking more about the reeding, it would still have a seam on an annealing error, I think. Report this Post to the Staff
Errers and Varietys Bedrock of the Community United States 77415 Posts	Posted Today 7H 36M ago Looks like environmental toning to me. Errers and Varietys. Report this Post to the Staff
Chase007 Pillar of the Community United States 7564 Posts	Posted Today 6H 7M ago I agree, on a sintered planchet you normally do not see a broad copper colors . Report this Post to the Staff
Dearborn Moderator United States 103537 Posts	Posted Today 1H 6M ago I'm going for an improper annealing process. 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
	Replies: 7 / Views: 168

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