Each deck has been opened and used for play in the casino.
The Joker cards may not be included.
It is unknown if the deck contains Jokers.
Each deck contains 52 playing cards.
In most cases, the cards have been marked or cut to prevent usage. This is commonly called Canceled Playing Cards and is usually done to prevent cards from being reintroduced into a game after the casino has removed them from play. The cards may be marked with ink, have a corner cut-off, or a hole drilled into them.