The ornamental design for playing cards, as shown and described.
FIG. 1 and FIG. 2 illustrate a sequence of cards from the Red Ace of Spades
to the Red King of Spades, it being understood that the indicia and spade
symbols are the color red;
FIG. 3 illustrates an enlarged view of the Red Ace of Spades as shown in
FIG. 1, wherein the written indicia on the card is in color, and indicates
the color of the pips;
FIG. 4 illustrates a red ace of hearts, a Red Ace of Diamonds and a Red Ace
of Clubs which are representative of the corresponding sequences of cards
i.e. the Red Ace of Hearts to the Red King of Hearts, the Red Ace of
Diamonds to the Red King of Diamonds, and the Red Ace of Clubs to the Red
King of Clubs; and,
FIG. 5 illustrates a Blue Ace of Spades, a Yellow Ace of Spades, a Brown
Ace of Spades, a Black Ace of Spades, an Orange Ace of Spades, a Green Ace
of Spades and a Purple Ace of Spades, each of which is representative of a
group of 52 cards from the Ace of Spades to the King of Spades, the Ace of
Hearts to the King of Hearts, the Ace of Diamonds to the King of Diamonds
and the Ace of Clubs to the King of Clubs, all in the same colour as the
respective Ace of Spades. It is understood that the indicia in FIG. 5 is
also written in color, as shown in FIG. 3.