Standard 52-card deck jokers, often distinguishable with one being more colorful than the other, are added to commercial decks, as some card games require these extra cards. Modern playing cards carry index labels on opposite corners or in all four corners to facilitate identifying the cards when they overlap and so that they appear identical for players on opposite sides. The most popular standard pattern of the French deck is sometimes referred to as "English" or "Anglo-American" pattern. It has been shown that because of the large number of possibilities from shuffling a 52-card deck, it is probable that no two fair card
Italian playing cards the result of popular 16th and 17th century games like Primero and Ombre. These three patterns are closely related, having been formed in close proximity to one another. The Trentine pattern is believed to be the oldest surviving Italian pattern and the origin of the Bresciane and Bergamasche patterns. Trappola cards may also have originated from this pattern. Trentine cards are sold in either packs of 40 or 52. The smaller deck is missing the 8s through 10s. The larger deck comes with a pair of Jokers. All the Kings sit on thrones and the cards are not reversible. The