Guardian of the Crystal Gate (reprint)

From Author Wars - https://authorwars.com/books/guardian-of-the-crystal-gate-reprint-990625.html

Overview:

Title: Guardian of the Crystal Gate (reprint)
Author: uncredited
Year: 1969
Type: Interior Art

Editions/Publications:

Unknown. Science Fiction Greats, Winter 1969 (Unknown, uncredited, Ultimate Publishing Co., Inc., $0.50, 132 pages, digest, MAGAZINE)