Brown Connecticut Washington Quarter, Why?

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Author	Replies: 8 / Views: 2,574
allcoinsnewbie Valued Member United States 170 Posts	Posted 10/25/2011 12:01 pm I hope I'm not wasting your time by learning the hard way. I will be more choosy in the future about topics. Will someone please tell me though, what is it with this quarter. Thanks in advance. Report this Post to the Staff

jessvc1 Pillar of the Community United States 2596 Posts	Posted 10/25/2011 12:05 pm This coin looks like it has come in contact with chemicals eroding some of the clad layer off. Report this Post to the Staff
Dave42 Pillar of the Community United States 571 Posts	Posted 10/25/2011 12:14 pm I've seen this happen to clad coins that have spent some time in the dirt. Minerals in the ground will stain or discolor the clad layer, causing a brown tone. It doesn't have to be buried very deep or for very long before this can occur. Dave Report this Post to the Staff
CaptainFwiffo Pillar of the Community United States 4132 Posts	Posted 10/25/2011 12:14 pm It's corrosion or environmental damage. Report this Post to the Staff
biokemist6 Bedrock of the Community United States 12437 Posts	Posted 10/25/2011 2:48 pm Depending on local conditions, environmental/soil exposure will frequently stain CuNi clad coins a rusty or muddy brown color. Report this Post to the Staff
allcoinsnewbie Valued Member United States 170 Posts	Posted 10/25/2011 2:49 pm Some day I'll get it right and find a real, really real error coin. Meanwhile, thanks so much for your time educating me. Back to the books. Report this Post to the Staff
allranger Pillar of the Community United States 1391 Posts	Posted 10/25/2011 3:25 pm A lot of the State Quarters I put out of the park while MD'ing look like this. Report this Post to the Staff
clearsig New Member United States 24 Posts	Posted 09/29/2014 10:11 am My son explores urban storm sewers and came home one time with about ten dollars worth of clad quarters that he pulled out of the junk in the drains. All of them were stained brown like this. He thinks the large amount of battery acid in the sewer water reacts with the metals of the coins and plates them with this brown coating, which resisted all my attempts to remove it. The surface of the coins showed very little pitting or degraded metal, just this uniform brown stain. Report this Post to the Staff
coop Bedrock of the Community United States 62064 Posts	Posted 09/29/2014 1:09 pm Looks like it was homeless for a time. Keep it in your pocket and see how it will look antiqued with continued circulation. Report this Post to the Staff
	Replies: 8 / Views: 2,574

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