Opened at the Walnut Street Theatre in June 1923. Closed February 7, 1925 after 313 performances — 20 months. I'll Say She Is (1924) is a musical comedy revue written by brothers Will B. Johnstone and Tom Johnstone (music). It was the Broadway debut of the Marx Brothers. The initial production premiered in June 1923 at Walnut Street Theatre in Philadelphia, Pennsylvania before its national tour. Wiki link