Service with a Smile (1934 film)

Service With a Smile 1934 is a Vitaphone short comedy film released by Warner Brothers on July 28, 1934 in the threestrip Technicolor process Process No. 4. The release of this film, and the Warners release Good Morning, Eve released August 5, predated the RKO Radio Pictures release La Cucaracha, also produced in threestrip Technicolor, by a few weeks.

Source: Wikipedia