Modiano Platinum Poker cards are popular used in Italy. Some customers like to use the Modiano Platinum marked decks with small marks at four corners. Though these marks are not as big as those big marks, we can clearly know which card it is by seeing the small number and suit at the corner even the players cover most of the cards.
Usually, the sign of the suit is exactly the same as the suit in the poker face.
As that shows in the picture, it's Spade A in the left card and Diamond K in the right card.