Casino-played deck of cards with a mistake

[BugsySeagull]

A couple of months ago my wife and I made our annual trip to Vegas, and I got a deck of casino-played cards from one place as a souvenier. I just now opened it up and looked at them while taking a break from doing taxes, and noticed that it has 2 KINGS OF SPADES. I went through the rest of the deck, everything is fine. There are no jokers, everything was in order, A to K, spades, then hearts, then clubs and diamonds. The 2 Kings of spades were right next to each other.

Has anyone ever encountered a casino-played deck with a mistake like this? I guess most likely it's an honest mistake and there's another deck somewhere missing it's King of spades. Or maybe the extra king was removed from another deck before being put in play by a sneaky pit boss?

Also any creative ideas on what to do with the extra king of spades?

[Bodarc]

When they were crimping the edge of the cards to void them, they probably mixed them wrong somehow.

Color it red with a magic marker and use it as your cut card.

[Three]

They have to do something after removing some of the K's from the decks going into play when they see the Genius coming.

[muckz]

Unlikely that there was a mistake deck to begin with. The mistake was made by whoever sorted the deck after use to verify no cards went missing.

[RS]

I used to sort the cards out at end of night. Usually it was the last thing to be done before clocking out....so we'd usually rush through it.