A game, traditionally associated with confidence tricksters, in which bets are made on which is the queen among three cards lying face downwards.
a stall owner is offering all comers a game of find the lady
Also called monte three-card trick
Definition of find the lady in US English:
find the lady
noun
British
A game traditionally associated with con men, in which the dealer shows the player three cards then moves them around face-down, the player being obliged to pick the specified card from among the three.
a stall owner is offering all comers a game of find the lady