Frank at age 1-1/2 with his puppy, "Rex."

From Author Wars - https://authorwars.com/books/frank-at-age-1-12-with-his-puppy-rex-1717238.html

Overview:

Title: Frank at age 1-1/2 with his puppy, "Rex."
Author: uncredited
Year: 1981
Type: Interior Art

Editions/Publications:

Unknown. Frank Frazetta: The Living Legend (Unknown, uncredited, Frazetta Prints & Sun-Litho Prints, ISBN-10: 0960706003, 96 pages, Trade Paperback, Non-fiction)