Third Finger, Left Hand is a 1940 American romantic comedy film directed by Robert Z. Leonard and starring Myrna Loy, Melvyn Douglas and Raymond Walburn.

Magazine photographer August Winkel helps by writing letters supposedly from "Tony Merrick".

Jeff runs into Flandrin on deck, only to learn that the insulted dealer is no longer interested in selling his artwork.

Masquerading as an enthusiastic rival dealer, she manipulates Flandrin into offering Jeff a much better deal than he had ever expected.

To teach her a lesson, he shows up at her family mansion and announces to her father, younger sister, and butler that he is Tony.

Margot takes the opportunity to exact some revenge, pretending to be a very uncouth wife, complete with an exaggerated New York accent.

To buy time, he hires African-American train porter Sam (who has been studying law by correspondence) to draw out the property settlement negotiations.