Unknown, June 1939

From Author Wars - https://authorwars.com/publications/unknown-june-1939-61848.html

Overview:

Title: Unknown, June 1939
Author: uncredited
Year: 1939
Publisher: Street & Smith Publications, Inc.
Price: $0.20
Pages: 164
Binding: pulp
Type: MAGAZINE
Title Reference: Flame Winds (Complete Novel)
Notes: Volume 1, Number 4
Interior art by Cartier, Gilmore, Kirchner, Mayan, and Orban.
Miller/Contento gives "Flame Winds" as a novel.