This is Spicy Mystery Stories for April 1942, cover by H.J. Ward. The ISFDB entry for this issue is here. I found this version of the cover via Cover Browser.

This is Spicy Mystery Stories for April 1940, cover by H.J. Ward. The ISFDB entry for this issue is here. I found this version of the cover at the index at Galactic Central.

This is Spicy Mystery Stories for February 1940, cover by H.J. Ward, no ISFDB entry. I found this version of the cover at Pulp Covers, where there is also a reproduction of the original painting, which is reported to have sold for $31.070.

I’ll be the first to admit that there are some unfortunate racial tropes in play here, but it was 1940.

This is Spicy Mystery Stories for August 1938 (at which point the magazine seems to have changed from a monthly to a bimonthly publication schedule). The cover is by H.J. Ward; there is no ISFDB entry. I found this version of the cover in the Galactic Central Index.

Update: I found an original version of this cover at Pulp Covers.

This is Spicy Mystery Stories for November 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 April 1937, cover by H.J. Ward. The ISFDB entry for this issue is here. I found this version of the cover at Galactic Central.

This is Spicy Mystery Stories for February 1937, cover by H.J. Ward. This issue has no ISFDB entry. I found this version of the cover at Pulp Covers, and checked its dating on the index page at Galactic Central.

This is Spicy Mystery Stores for November 1936, cover by H.J. Ward. This issue has no ISFDB entry. I found this version of the cover at Pulp Covers, and checked its dating on the index page at Galactic Central.

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.