Abstract: A set of cards for playing a card game is described. Each of said cards is printed with indicia essential for the playing of the game and one or more of said cards is printed with such indicia towards a central region of the card, that is inwardly disposed from the perimeter edge. In accordance with the invention, one or more of said cards in the set is provided with one or more apertures in predetermined locations within said central region to allow at least some of the indicia printed in the central region of a first card to be seen through the apertures of second and optionally further cards when said second and further cards are superposed over said first card.