Hi I found this 1990 no mint mark coin. It seems not to be centered right. Would this be a error coin. Thank you
#1 - No Mint Mark means it was minted at the Philadelphia Mint #2 - It is a MAD - MisAligned Die Strike.. Very common issue Nothing major but thanks for sharing
Technically, Yes it is an error. But it is a very minor one. If you actively search your change you will find a lot of them.