Secret Agent X, October 1937 (cover)

From Author Wars - https://authorwars.com/books/secret-agent-x-october-1937-cover-1547980.html

Overview:

Title: Secret Agent X, October 1937 (cover)
Author: Rafael DeSoto
Year: 1937
Type: Interior Art

Variant Titles:

1937. Secret Agent X, October 1937 (cover)