Cover of National Lampoon #13

From Author Wars - https://authorwars.com/books/cover-of-national-lampoon-13-2096924.html

Overview:

Title: Cover of National Lampoon #13
Author: Frank Frazetta
Year: 1971
Type: Interior Art

Editions/Publications:

Unknown. The Sensuous Frazetta (Unknown, Frank Frazetta, Vanguard Productions, ISBN-10: 9781934331767, $69.95, 192 pages, Hardcover, Non-fiction)