Cartoon: "There's obviously been some sort of ghastly mistake!"

From Author Wars - https://authorwars.com/books/cartoon-theres-obviously-been-some-sort-of-ghastly-mistake-3258366.html

Overview:

Title: Cartoon: "There's obviously been some sort of ghastly mistake!"
Author: Gahan Wilson
Year: 1971
Type: Interior Art

Editions/Publications:

Unknown. I Paint What I See (Unknown, Gahan Wilson, Simon & Schuster, ISBN-10: 0671208586, $3.95, 126 pages, Hardcover, Collection)