The Fool Card of the Tarot

The Tarot Card indicating the novice, who has much to learn.

It has a number of Zero and may also be considered card as Card number 22, thus it can be either the beginning or the end of the Tarot Deck, kind of like the Ace in the normal Deck of Cards.

The Fool of the Tarot is the only card of the Major Arcana that carried over into the modern Deck of Cards where it is known as the Joker.  See Tarot for more information.