This curious variation of the international pattern is made for only one thing in mind, that is, the playing of the game of Canasta.
As some of my readers will know, in canasta, only the colour of the suit counts ( that is, there is no distinction made between hearts & diamonds nor spades or clubs) . Therefore, the ingenious italians have made a special deck expressedly for this game, with red or black dots replacing the suits.
As in Italy, the game of canasta is played with 3 decks of cards, this "pattern" comes only in 162 card sets, with 3 copies of each card.