The Mystery of the -/-

From Author Wars - https://authorwars.com/books/the-mystery-of-the-1118081.html

Overview:

Title: The Mystery of the -/-
Author: Paul
Year: 1935
Type: Interior Art

Editions/Publications:

Unknown. Wonder Stories, June 1935 (Unknown, Paul, Continental Publications, $0.15, 132 pages, pulp, MAGAZINE)