I had some of the same thoughts, but am not that familiar with trade dollars. I have been watching the thread to see what everyone else thought...
Most likely heat damage, may have been in a fire.
I only see a normal cent with some damage to the plating. What in particular are you looking at?
Not that there was any doubt to begin with, but your edge pictures are further proof that the coin was cut down. A quarter struck on a smaller...
Unless very high grade or they have errors, then they are worth 25 cents. Is there something special about them?
Just cut down, plain and simple.
It's a little rough, probably good details, some scratches and maybe some environmental damage, but I would definitely hang onto it.
Separate names with a comma.
