Operator #5, May 1935 (cover)

From Author Wars - https://authorwars.com/books/operator-5-may-1935-cover-1584863.html

Overview:

Title: Operator #5, May 1935 (cover)
Author: John Howitt
Year: 1935
Type: Interior Art

Editions/Publications:

Unknown. America's Secret Service Ace (Unknown, John Howitt, Robert Weinberg, $4.00, 64 pages, Trade Paperback, Non-fiction)