Jack (playing card) Jack (playing card) A jack or knave is a playing card which, in traditional French and English decks, pictures a man in the traditional or historic aristocratic dress generally associated with Europe of the 16th or 17th century. The usual rank of a jack, within its suit, plays as if it was an 11 (that is, between the 10 and the queen). As the lowest face (or "court") card, the jack often represents a minimum standard — for example, many poker games require a minimum hand of a pair of jacks ("jacks or better") in order to continue play. The
Playing card before the 1500s, the French permanently picked it up and placed it under the king. Packs of 56 cards containing in each suit a king, queen, knight, and knave (as in tarot) were once common in the 15th century. During the mid 16th century, Portuguese traders introduced playing cards to Japan. The first indigenous Japanese deck was the named after the period. Packs with corner and edge indices (i.e. the value of the card printed at the corner(s) of the card) enabled players to hold their cards close together in a fan with one hand (instead of the two hands