Synthetic Men of Mars (cover)

From Author Wars - https://authorwars.com/books/synthetic-men-of-mars-cover-1926789.html

Overview:

Title: Synthetic Men of Mars (cover)
Author: uncredited
Year: 1972
Type: Interior Art

Editions/Publications:

Unknown. ERB-dom, September 1972 (Unknown, uncredited, Camille Cazedessus, $0.50, 24+[36] pages, octavo, FANZINE)