help.....

artimus

........i recently bought a bunch of proof sets and mint sets at a flea market for $5 each.......figured they were worth that much anyway.......while looking thru the sets i found some beautiful coins......i also found a 1976 kennedy half with an impression in the reverse that looks like maybe the reeded edge of a second coin stamped into it......the groove is deep and runs almost halfway up the reverse of the coin......the cellophane it is in is undamaged........is this considered a 'mint error'....and if so.......what the heck do i do now?....lol.....the coin is in excellent condition.....the reverse is very clean except for the groove.....the obverse is very nice....not perfect...but no major hits at all....i dont have a digital camera to take a picture....but i intend to buy one tomorrow.....i will try to get a picture on here tomorrow.......lol....pray for me......any advice from someone who 'knows' errors would be greatly appreciated......thanks in advance.....

artimus....