This is Spicy Mystery Stories for August 1936, cover by H.J. Ward. The ISFDB entry for this issue is here. I checked its dating on the Galactic Central index page. This version of the cover is from Pulp Covers, which also has a very nice clean version of the underlying painting:
According to Pulp covers, this painting sold for $143,400. So check carefully the next time you’re tempted to throw out “junk” from your attic!
This is Spicy Mystery Stories for July 1936, cover by H.J. Ward. The ISFDB entry for this issue is here. I found this versio of the cover at Pulp Covers.
This is Spicy Mystery Stories for May 1936, no cover artist recorded and no ISFDB entry. I found this version of the cover at Pulp Covers.
This is Spicy Mystery Stories for June 1937, cover by H.J. Ward. The ISFDB entry for this issue is here. I found this version of the cover at Pulp Covers.
This is Spicy Mystery Stories for May 1937, no artist recorded and no ISFDB entry. I checked the date on the index page at Galactic Central. I found this version of the cover at Pulp Covers.
This is Spicy Mystery Stories for April 1936, no cover artist recorded. The ISFDB entry for this issue is here. I found this version of the cover at Will Hart’s flickr gallery.
This is Spicy Mystery Stories for March 1936, cover by H.J. Ward. The ISFDB entry for this issue is here. I found this version of the cover in a post at Rough Edges written by James Reasoner, and I dated it using the index at Galactic Central.
This is Spicy Mystery Stories for February 1936, cover by H.J. Ward. The ISFDB entry for this issue is here. This image of the cover is an unusually large one (click through to see in larger size), which I found in, of all places, the comments section of this post at Door Flies Open.
In additional all the other unusual riches available for this issue, Pulp Covers has actually made available the “Bat Man” story online as a PDF document, in case you’re curious about what lurked beneath the lurid covers of a pulp magazine. See here.
This is Spicy Mystery Stories for January 1936, cover artist unrecorded. The ISFDB entry for this issue is here. I found this version of the cover in this post at Zontar of Venus and dated it via the Galactic Central index.
This is Spicy Mystery Stories for December 1935, cover by another great, H.J. Ward. The ISFDB entry for this issue is here. I found this version of the cover on this Flickr page and dated it via the Galactic Central index.