| 摘要 |
PROBLEM TO BE SOLVED: To provide playing cards capable of preventing a fraudulent action of peep in a card game, though conventional cards have such the problems that all the indexes of respective corners of the cards are visible when the plurality of cards are shifted and held in hand in the case of gathering the plurality of cards and holding them in hand as cards in hand during a game, and all the cards in hand are recognized by a third person when a fraudulent person performs cheating (peep) for the purpose of the fraudulent action.SOLUTION: For the playing cards 1, a deck of 52 playing cards are constituted of two kinds of cards: cards 1a having an index 2 indicating a numerical value representing the rank of the card, only at the upper left and lower right of the card 1; and cards 1b having the index, only at the upper right and the lower left of the card 1. |
