How Does A Morgan Dollar Get A Black Spot?

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Author	Replies: 7 / Views: 7,371
Thattalldude New Member United States 16 Posts	Posted 03/13/2018 12:50 pm So I recently bought a 1881 Morgan dollar MS63 the coin looks amazing on the front but when you flip it over it has a black spot on the wreath, my main question is how does this happen? And why in just a little spot? Thanks in advance for yalls help, I'm kinda new so I don't know all the bells and whistles work yet. I'm just curious why does it just why does it make a spot in that area, how come it isn't in a different area? Edited by Thattalldude 03/13/2018 1:05 pm Report this Post to the Staff

SilverDollar2017 Pillar of the Community United States 8715 Posts	Posted 03/13/2018 12:53 pm They are usually caused by oxidation. However, they can sometimes be environmental damage. Report this Post to the Staff
MikeF Pillar of the Community United States 3479 Posts	Posted 03/13/2018 12:55 pm It happens. I have a 93 CC that I've owned since I was a kid that has one of those blacks spots. It would be helpful if you provided a pic. Report this Post to the Staff
Slider23 Pillar of the Community United States 4469 Posts	Posted 03/13/2018 1:30 pm The spot most likely was caused by contact with sulfur. It only takes something with sulfur making contact with the coin. Sulfur is found in things like paper, rubber bands, some foods, etc. If the coin was placed on a contaminate like a spec of paper with sulfur or something got on the coin with sulfur, the black spot could happen. Report this Post to the Staff
Zurie Pillar of the Community United States 5667 Posts	Posted 03/13/2018 1:53 pm Possibly caused by previous long term storage in a 2x2 with a small hole in the Mylar at that spot. Report this Post to the Staff
moxking Rest in Peace United States 17900 Posts	Posted 03/13/2018 1:53 pm A single tiny bit of a contaminate. What that might have been is simply conjecture unless you discovered the coin and the contaminate together. Report this Post to the Staff
NumisRob Bedrock of the Community United Kingdom 17919 Posts	Posted 03/13/2018 2:09 pm I've got a circulated 1882-O Morgan with black spots on the reverse. It was the first US silver dollar I got - I was given it in 1976 by a schoolteacher from Texas who came over to England for an exchange year and worked with my Mom. My Trade List: https://goccf.com/t/194596 My Wants List: https://goccf.com/t/191710 Report this Post to the Staff
MikeF Pillar of the Community United States 3479 Posts	Posted 03/13/2018 2:30 pm Quote: Possibly caused by previous long term storage in a 2x2 with a small hole in the Mylar at that spot. Come to think of it, I have a mint condition Washington quarter that had the same exact thing happened to it. The 2x2 had a small hole in it and the surface exposed to the hole started toning black. I wasn't actively collecting at the time but I transferred it to another 2x2 and within a couple months the black faded and gave way to red, blue and purple toning. Weird. Report this Post to the Staff
	Replies: 7 / Views: 7,371

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