| 摘要 |
PURPOSE: A plurality of game cards on which unique marks are printed is provided to prevent the game cards from being mixed. CONSTITUTION: A plurality of game cards on which unique marks are printed has different patterns, characters and numbers are successively printed on printed sides. On one side of the printed surface of game card, one or more unique marks(120) are printed to attest identity of the card. The unique marks are composed of characters, numbers or a combination of character and number. The unique mark is identically printed on the pair of cards.
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