Your quarter has been 'stained' by some liquid; it didn't leave the Mint like that. What you see occurred to if after it was in circulation. The...
Nice example of a major ragged end clipped planchet. (aka: 'struck on a major defective planchet')
The date and possible mm have been buffed off. The '0' is too low to be a digit from the date, imo Can you shoot the obverse normally, instead...
I see a small die crack thru the E, but I would not call it a spiked head.
I saw the circle - There is a scarce numismatic pareidolia living in it.
It's a rim nick or two Not an error
numismatic pareidolia There is no P there.
Looks like die clashes -
No - not an example of improper annealing at all. Looks completely normal from your photos.
Thanks for the offer, but I have other State Quarters with FF marks, so I don't need another one! I do appreciate your kind consideration.....
Thanks for the additional photos. Based on what I see, I believe they are struck from dies that were damaged from over-extended feeder fingers....
Common enough that there is no premium for it, in my experience.
Haven't heard the term 'speedy eagle' Can you elaborate ?
Steps have nothing to do with the grade. They have to do with the strike. Steps are either full, partial, 3-4-5, but that has nothing to do with...
The P mintmark shows it's not a doubled die. It's mechanical doubling, imo
Color of the surfaces is still off in your photos, but although the 'pattern' is a bit different, I believe, from what I can see, that it is die...
It's not damage - it's a coin struck from worn or overused dies. Not considered an error. It has no effect on grade.
aka 'Sandwich' coin.
A very common effect - as PM98 says, it's from worn or overused dies. Not an error.
Possibly struck on a feeder-finger damaged die. If you have two of them, take 'em out of the 2x2 holders, and shot them again, please....
Separate names with a comma.