Forrest J. Ackerman at 13

From Author Wars - https://authorwars.com/books/forrest-j-ackerman-at-13-2077810.html

Overview:

Title: Forrest J. Ackerman at 13
Author: uncredited
Year: 1969
Type: Interior Art

Editions/Publications:

Unknown. Cosmos: Science-Fantasy Review, May 1969 (Unknown, uncredited, Walter Gillings, 2/-, 20 pages, octavo, FANZINE)