Not an error by any means. It's a counterstamped Indian Head cent
, but it's nowhere worth 50 dollars though. Take a pass on it, and don't buy it, as it's a ripoff.
Errers and Varietys.
More information about Die Deterioration? http://goccf.com/t/317950
Retired U.S. Mint Coin Die Set information. http://goccf.com/t/302961
1988 P LMC
RDV-006, 1998 P LMC
Wide AM, and 2000 P LMC
Wide AM. http://goccf.com/t/327834 http://goccf.com/t/294303 http://goccf.com/t/312900
1973 D Lincoln Memorial cent
With Recurring Die Subsidence Error Information. http://goccf.com/t/304624 Machine Doubling
Die states progression on coins. Scroll down, so you can see the different die state progressions. http://goccf.com/t/325638