My guess would be later years. From my card pictured I can narrow the date to 1916 (Speakers first year w/ Cleveland) to around 1923 (O'Neill was out of Cleveland after that.)
The actress in the box looks like Bebe Daniels, she was in her first fims in 1919, and wasn't a bonafide star until around 1921-22. Also, while I am admittedly not a boxing historian I believe Firpo was still mainly fighting in South America before 1919, he didn't gain more "world-wide" notoriety until after 1920.
-Rhett
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