I agree with Jason. The "wear" is unnatural looking. The wear on the head is too flat and the junction between the worn perimeter and the design...
It looks like a damaged off-center cent. Worth perhaps a dollar.
I don't see any doubling.
It's a genuine strike-through error. Struck through a piece of debris.
Value is negligible.
The security edge is impressed prior to the strike, most likely during upsetting. The reeding is generated during the strike. The coin on the...
Machine doubling.
It looks slightly out-of-round. If so, it was damaged outside the Mint. It doesn't look like a broadstrike.
Two die chips straddling a thin die crack.
The crushed surface has a gently crescentic internal border, possibly indicating that the crushing surfaces were curved. Perhaps a thin...
The coin is crushed flat on the right side. This cannot occur in a coinage press.
There's absolutely no question that this coin was damaged outside the Mint.
These are not cuds. They're die chips.
The defect looks raised in your photo. If that's the case, it would be tiny die chip.
It appears to be a dime that was struck on a planchet that was missing the obverse clad layer. If it weighs around 1.8 grams, that would clinch...
These are tiny die chips and blind-ended die cracks. They often develop on Roosevelt dimes on the eyebrow, corner of the mouth, and nostril.
Not a doubled die. Double-struck. There is a premium for dramatic examples of surface film transfer. Even a modest case like this would...
Surface film doubling occurs when an oily planchet (or a planchet struck by an oily die) expands during the strike. The area first touched by the...
It's die deterioration doubling. Very common in this area.
It doesn't appear to be either machine doubing or die deterioation doubling. The extra elements appear to take the form of a shadow. If so, this...
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