It's only an error if the damage occurred during production of the coin.
Those photos show a 50 cent piece with a partially reeded edge - it's something that has come up here a few times and I don't remember the cause but I remember the consensus being that it was not a production error.
Those photos show a 50 cent piece with a partially reeded edge - it's something that has come up here a few times and I don't remember the cause but I remember the consensus being that it was not a production error.




















