1982 Proof Quarter Blemished Mint Mark

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Author	Replies: 6 / Views: 740
SteveGraves New Member United States 29 Posts	Posted 02/24/2025 11:16 pm Hi everyone, I was looking at my proof set from 1982 and noticed that the S mint mark had a strange splotch on it. At first I brushed it off as tarnish but now I am wondering if it is damage that happened during minting. The placement seems odd to me. I haven't broken it out of the plastic case yet so it is difficult to get good pictures, I figured I would see if you guys think it's even worth doing. Anyways here are some pictures, let me know what you guys think. Report this Post to the Staff

Greasy Fingers Pillar of the Community United States 7001 Posts	Posted 02/24/2025 11:39 pm Oh that looks bad (sorry to say) 1982 I'm pretty sure this was before robotic operations was used in handling and packaging the coins into the case, so most likely a mint employee allowed something to get on the coin. If the case can be opened without damaging it, I would remove and replace the quarter with another proof one (cleaning the plastic case first) Report this Post to the Staff
Errers and Varietys Bedrock of the Community United States 73756 Posts	Posted 02/25/2025 12:12 am To CCF! Looks like a corrosion spot, on the mint mark area. As stated, replace it with one that doesn't have a spot. Errers and Varietys. Report this Post to the Staff
Marv65 Bedrock of the Community United States 10485 Posts	Posted 02/25/2025 01:01 am A spot of Corrosive material - the coin is toast - it ate into the surface. Report this Post to the Staff
oddguy Pillar of the Community United States 4135 Posts	Posted 02/25/2025 08:28 am If you want a nice clean looking sealed 1982 proof set then buy one, their not that expensive and use this set to put in 2x2 or fill in a slot in a book. Report this Post to the Staff
Dearborn Moderator United States 94925 Posts	Posted 02/25/2025 4:44 pm to CCF. it appears to be a spot of corrosion. 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 02/26/2025 3:59 pm to the CCF and Report this Post to the Staff
	Replies: 6 / Views: 740

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