1970 D Washington Quarter - Lamination Error?

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Author	Replies: 10 / Views: 1,839
MrBreeze Valued Member United States 357 Posts	Posted 05/10/2021 10:12 am I have yet to find a lamination error, so I am wondering if this is one or if it is from it being a very late die state coin? I see copper on both obverse and reverse as well. Thanks! Report this Post to the Staff

Dearborn Moderator United States 98107 Posts	Posted 05/10/2021 10:20 am Looks like it 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
SamCoin Pillar of the Community United States 3237 Posts	Posted 05/10/2021 10:41 am Appears to have been eaten away by acid that has affected the entire coin, but has been applied most aggressively to this particular area. You can tell by the uneven pitting all across the surface. I think Dearborn may have looked a little too quickly at this one before weighing in. Report this Post to the Staff
Coinfrog Bedrock of the Community United States 94367 Posts	Posted 05/10/2021 10:45 am I'd say acid treatment precipitated this condition as well. Report this Post to the Staff
John1 Moderator United States 56855 Posts	Posted 05/10/2021 10:54 am Agreed, acid damage. John1 Report this Post to the Staff
ijn1944 Bedrock of the Community United States 19242 Posts	Posted 05/10/2021 12:16 pm Agree with the acid assessment. Report this Post to the Staff
Dearborn Moderator United States 98107 Posts	Posted 05/10/2021 1:45 pm I'm wrong again... (It looked much different on my phone while standing in the sun.) 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 Edited by Dearborn 05/10/2021 2:09 pm Report this Post to the Staff
Greasy Fingers Pillar of the Community United States 7083 Posts	Posted 05/10/2021 2:32 pm Weight?....PMD...acid Report this Post to the Staff
Rothery Pillar of the Community 2145 Posts	Posted 05/10/2021 3:48 pm Never saw a clad coin with a lamination error - is there such a thing? or are the clad layers too thin to delaminate? Report this Post to the Staff
SamCoin Pillar of the Community United States 3237 Posts	Posted 05/10/2021 3:52 pm @Rothery it is a thing, a great example was posted not long ago of a delaminated clad layer on a quarter. Can also occur within any of the individual layers if the alloy isn't mixed properly. Report this Post to the Staff
Rothery Pillar of the Community 2145 Posts	Posted 05/10/2021 4:00 pm Quote: a great example was posted not long ago of a delaminated clad layer on a quarter. Thanks. I did not see that but I'll try the search box..... Report this Post to the Staff
	Replies: 10 / Views: 1,839

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