This cover painting by Norman Saunders graced the cover of Black Book Detective in April 1936. I found it at this bondage index, which also gives us the use of the painting in its context:
Pulp Parade #238: A most artistic end
Tag Archives: Black Book Detective
Pulp Parade #237: Led off by Mr. Skullhead
This is Black Book Detective for April 1935, cover by Rafael DeSoto. I found this version of the cover at this bondage index.