Science Fiction Adventure Classics, May 1972

From Author Wars - https://authorwars.com/publications/science-fiction-adventure-classics-may-1972-251736.html

Overview:

Title: Science Fiction Adventure Classics, May 1972
Author: uncredited
Year: 1972
Publisher: Ultimate Publishing Co., Inc.
Price: $0.60
Pages: 134
Binding: digest
Type: MAGAZINE
Title Reference: The Crystal Planetoids
Notes:
Issue #18
Cover reprinted from the back cover of Amazing Stories, October 1942 ("Flying Wing of Jupiter"), according to Miller/Contento.
None of the art pieces art credited, most are signed