Color sequence(s) have not survived, except in black and white.
The "Gaga Bird" production number is presumed lost.
The dummy Otto was a hand carved basswood Frank Marshall figure. The same man who designed Edgar Bergen's famous characters Charlie McCarthy and Mortimer Snerd.
The failure of the original copyright holder to renew the film's copyright resulted in it falling into public domain, meaning that virtually anyone could duplicate and sell a VHS/DVD copy of the film. Therefore, many of the versions of this film available on the market are either severely (and usually badly) edited and/or of extremely poor quality, having been duped from second- or third-generation (or more) copies of the film.
The Great Gabbo (1929) was based on the short story "The Rival Dummy" by Ben Hecht, which appeared in the August 18, 1928 issue of Liberty magazine.