3522 Laurel Avenue
Now I have hand-drawn marks by J. Kemble from 1940 and 1941, the last two years of his reign (so far).
2906 Delaware Street
Ed Doty switched from a straight-text mark to an arched-text mark some time in 1937. This example constrains the date to some time after February. I haven’t paid close attention to the months on arched-text marks, but now I guess I should.
3826 San Juan Street
This is probably W. Pool, but for some reason he left off his initial. During this year he also made entirely different marks under the name W. B. Pool & Son.