Also in Mutt & Jeff (DC, 1939 series) #39.
There is a very similar gag in Mutt & Jeff (DC, 1939 series) #23.
Also in Mutt & Jeff (DC, 1939 series) #14.
Also in Comic Cavalcade (DC, 1942 series) #15.
A slightly different version of this strip appears in All-American Comics (DC, 1939 series) #67.