A few months ago I had posted about a coin that I sold on
ebay, where the buyer toned the coin artificially and resold it for a profit several weeks later.
Well, I noticed a post by @tropicalbats a few days ago calling attention to an
ebay seller who was selling acid dipped Lincoln cents. The seller name sounded familiar, and I realized he had purchased an AU
Barber quarter from me in October. I checked his recent sold listings, and sure enough, it appears he sold my AU quarter as a proof
Barber quarter last month for a tidy profit. His photos were poor quality, so it's hard to tell if he treated the coin, but I'm 98% certain it was my coin because of a few matching bag marks on the nose, obverse field, and eagle tail feathers.
I suppose there's no rule that says you can't flip an
ebay purchase, but I think his listing was pretty deceitful. Here's my original listing and his more recent listing.
153688209491 123970219260