Exactly how it was damaged is hard to say. But its appearance is completely incompatible with what can transpire within a coinage press.
This coin is badly damaged and nothing else. It was not struck by broken or damaged dies.
Someone popped out the core, flipped it over, and re-inserted it. It's not an error.
This coin was mechanically altered outside the Mint.
There is no question that this is a case of post-strike damage.
This is not an off-center strike. It's a minor horizontal misalignment of the obverse (hammer) die. It's not offset enough to be considered an...
Possibly plated outside the Mint. However, it could also be an improperly annealed planchet. Only a close inspection can tell which it is.
These are die scrapes that were most likely inflicted by a feeder finger.
This appears to be a "black beauty" nickel. The planchet becomes black as a result of improper annealing. Such errors peaked in the years 1958 -...
Value would be related to the strength of the clash. This is not a particularly strong example, so I would hazard a guess of a few dollars.
This is a tilted die clash, a type of die clash that is typical of 1960 and 1960-D small date cents. More info can be found on www.maddieclashes.com.
If you look at the unplated portions of the rim of the 2009 cent you'll see a roughened appearance. These are areas of damage not smoothed out by...
The plating is missing because it was scraped off the planchet after the planchet was fully plated but before the strike. It is necessary to...
The plating hasn't split, at least around the date. This is die deterioration doubling. Observe that the field is swollen. That's a tip-off.
Looks like a partial collar error with post-strike damage to the horizontal flange.
Attacked by acid or some other corrosive liquid.
The vague incuse impression of the torch is a "greasy ghost". Die fill of just the right viscosity tends to flow toward the areas of lowest...
Die scrapes are long, straight, parallel, and generally profuse. In cents, they run from northwest to southeast, as seen on your specimen....
These are not trails. These are die scrapes from a feeder finger.
It's just a discolored dime.
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