Trumpet #1 (back cover)

From Author Wars - https://authorwars.com/books/trumpet-1-back-cover-1458416.html

Overview:

Title: Trumpet #1 (back cover)
Author: Schoenherr
Year: 1965
Type: Interior Art

Editions/Publications:

Unknown. Trumpet #1, February 1965 (Unknown, Schoenherr, Tom Reamy, $0.50, 40 pages, quarto, FANZINE)