I'm going to say it's in the middle of your reply and rmpaq's reply. "Nil" is NOT TRUE. Some people find worth in these cards. But it's also FAR from a "1 of 1". Collectors of error cards in any consideration of the word would be interested in this card. Any player or team collector would also be likely to show interest in owning it. As for value over the original "correct" card, that's completely based on interest in the specific card. Some collectors would be thrilled to add this card to their collection at a premium price, but there are also others that would consider it inferior to the "correct" version and will not pay much to obtain it (even as a space-filler card).
Basically, I'd consider the value of your card as about the same as the regular correct version. It would balance out in price b/t those collecting everything of that team/player/set and those only searching for the best copies of that team or player and the set collectors. Just my honest opinion!
NO PWE's EVER!!! PLZ PM me 1st before sending any offer. ONLY selling cards as of March 2024. No trades or purchases right now.
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Largest total PC card collections by Team, then Athlete (as of 3/22/24):
STL Cardinals (MLB) - 8810; Carolina Panthers - 2888; GB Packers - 1790+ cards
Mark Martin (NASCAR) - 2038 cards; Jimmie Johnson (NASCAR) - 1875 cards; Jeff Gordon (NASCAR) - 1594; Ricky Rudd (NASCAR) - 839; Ozzie Smith (MLB) - 707