Proof [2]

From Author Wars - https://authorwars.com/books/proof-2-924523.html

Overview:

Title: Proof [2]
Author: Orban
Year: 1942
Type: Interior Art

Editions/Publications:

Unknown. Astounding Science-Fiction, June 1942 (Unknown, Orban, Street & Smith Publications, Inc., $0.25, 132 pages, bedsheet, MAGAZINE)