... Do Not Fold or Mutilate ...

From Author Wars - https://authorwars.com/books/do-not-fold-or-mutilate-869343.html

Overview:

Title: ... Do Not Fold or Mutilate ...
Author: William M. Danner
Year: 1967
Type: Short Fiction

Editions/Publications:

Unknown. Famous Science Fiction, Fall 1967 (Unknown, William M. Danner, Health Knowledge, Inc., $0.50, 132 pages, digest, MAGAZINE)
Unknown. Famous Science Fiction #4 (Unknown, William M. Danner, Pulp Tales Press, $8.95, 130 pages, digest, Anthology)