Marked playing cards are specialised decks with discreet markings that assist magicians and mentalists perform miracles. These markings, often hidden in the design or subtly placed on the cards, help magicians to identify them without being noticed by spectators.
These markings can vary in complexity, ranging from simple symbols or patterns to more intricate systems that convey card values or suits.
Buy the correct marked cards is vital if you want to be able to perform astoniching effects without getting caught.