FingerMan by Raymond Chandeler
Both FingerMans resume and modus operandum are outlined in his name, FingerMan.
As can be plainly seen on this cover, he has propositioned the woman at the roulette table simply by introducing himself. This has quite definitely sparked the attention of the woman. Such is the irresistible charm of Fingerman. The tables croupier is quite plainly shocked at boldness of FingerMans introduction and offer.