This is Thrilling Mystery for April 1936, cover artist unrecorded. The ISFDB entry for this issue is here. I found this version of the cover in a post at Davy Crockett’s Almanac.
This is Thrilling Mystery for April 1936, cover artist unrecorded. The ISFDB entry for this issue is here. I found this version of the cover in a post at Davy Crockett’s Almanac.