The dealers can change out their decks several times during a shift. Why Do Casinos Deface Their Playing Cards?Ĭard decks cost next to nothing. Casinos have several practices for preventing players from surreptitiously changing the cards used in poker and blackjack games. Some collectors value uncanceled casino dice more than they do cancelled dice.

When you see used casino dice for sale on the internet, they may hide the cancel marks in any photos. Many cancelled dice are defaced on the “four” side.

They may only have defacing marks placed on them. At the very least the player risks being banned from the casino.ĭefacing or drilling dice is called “cancelling the dice”. If caught, such players can be held for arrest by the local authorities. It’s illegal in many jurisdictions for a player to switch out the dice. This ensures that if players are slipping unauthorized dice into they game they are removed in a timely fashion without making a big scene. They just destroy them or render them unplayable.Ī table may change its dice several times during a shift. It’s not cost-effective for the casinos to try to repair damaged dice. Anything that can affect the balance of a die or its randomness after being thrown across a table must be detected. Dice can also become oily.Ĭasino dice have to pass inspection for flaws and imperfections.

Dice need to be retired from play because they become worn down on the edges from being thrown by the players. The dice are great souvenirs and advertising tools. Why Do Casinos Drill Holes in Their Dice?Ĭasinos often sell or give away used dice from their gambling games. To prevent players from sneaking them into live dealer games. There is only one reason why the casinos deface their playing cards and dice: Why do casinos drill holes in their dice and cards? The most common alternations made to playing cards consist of cutting the corners of the cards, marking the corners, drilling a hole in the centers of the cards, or marking and cutting the corners of the cards.įor dice they simply drill a hole directly through the center. If so, you’ll notice that they’ve been altered in some way. Have you ever bought a pack of playing cards or a pair of dice from a casino?

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