Which of these poker films is the oldest?

Explanation

Not all poker films are about poker, from a gambler's perspective, anyway. But that does not take away from the fact that poker is played in all the following films. 'The Cincinatti Kid' from 1965 is the oldest and plays in 1930s New Orleans. 'A Big Hand For A Little Lady' i set in San Antonio, Texas. Newer poker films include 'Honeymoon in Vegas' (1992), 'Maverick' (1994) and 'Rounders' (1998).