That obverse looks almost like it was toned by the end of a folded paper roll. But I think you're right, someone messed with it.
If it toned in a roll wrapper, wouldn't the center show tone and areas covered and protected by the paper stay shinny? That is the oddest toning I've seen in a while. Thanks for the post.
Whatever happened to it I like itbecause 100+ years ago it was still just a cent.Coin collectors were basically non existent a cent was a lot back then.So the person who had it needed to use it to finish the one last coin needed for the roll.
The pink color indicates to me that the coin was improperly cleaned. The circular pattern of color is re-toning from a roll and/or a folder. IMO
It came out of a PCI slab. End of story. Some coins turn for the better and some for the worse. Your coin got ruined. A collector came to the show and told me he had a PCI dollar with light gold toning and when he took it out of the slab to send to one of the top TPGS's, the gold turned purple and they AT'ed it.
Yes I agree. The unnatural and light pink color on the Indian head suggest cleaning. I don't think it will ever regrade as undamaged. Some kind of acid reacted with the gases inside the holder?
The paper itself contains sulfur, which can cause coins to tone. So the paper does the opposite of "protecting" the coin from toning.
On some PCI slabs the edges of the paper label are shades of brown so that is probably the culprit. All their product was made in the USA. I watched the plastic slabs being made in TN. Plastic beads in; plastic slab halves out. I don't know who made the white inserts. IMO, the PCI slab w/banknote label (old Hallmark slab) and the Compugrade slab were the most attractive - and still are. The PCI Blue Banknote label used for foreign coins was the best looking. Just my opinion. I liked the ANA soap bar too but not as much.
I actually feel lucky. I had a lot of proofs graded at the same time as the OP coin. Some gained nice toning and had one with a finger print start showing years later.