The Time Traders (cover)

From Author Wars - https://authorwars.com/books/the-time-traders-cover-2947316.html

Overview:

Title: The Time Traders (cover)
Author: Walter Velez
Year: 1981
Type: Interior Art

Editions/Publications:

Unknown. Starlog, March 1981 (Unknown, Walter Velez, O'Quinn Studios, $2.50, 70 pages, quarto, MAGAZINE)