At first glance, it seems to be an ordinary card game. However, it is typically a scam. In Britain, it is known as Find the Lady, and in France it is known as Bonneteau. Playing the game is simple. The dealer has three cards, one of which is different from the others (such as one card is a queen and the others are not, or one red and two black, or some other combination). The cards are thrown down on a table (and perhaps moved around, like thimblerig but with cards). The game typically involves a wager on the player successfully guessing which card is different from the rest. If the correct card is chosen, the dealer will probably find some way to cheat the player. The card may be switched out or the bet may be "cancelled" for some reason or another. The game can be played fairly, but unless you know the dealer, assume it isn't.