Cover: Swamp Thing #6

From Author Wars - https://authorwars.com/books/cover-swamp-thing-6-1923034.html

Overview:

Title: Cover: Swamp Thing #6
Author: Berni Wrightson
Year: 1973
Type: Interior Art

Editions/Publications:

Unknown. The Berni Wrightson Treasury (Unknown, Berni Wrightson, Omnibus Publishing, $5.00, [48] pages, Pamphlet, Non-fiction)