Quote:
Originally Posted by swarmee
Email or call and ask. Normally it's a mechanical error if they had both categories at the time the card was graded. If they added the overprint distinction after that, it would be a reholder on your dime to update it.
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its a 271XXXXX cert, probably graded within the last two years just prior to the 274XXXXX lighthouse switchover. so they had the OP variation by then as I see others with older certs with the designation.