Nebula Science Fiction, Number 27 (back cover)

From Author Wars - https://authorwars.com/books/nebula-science-fiction-number-27-back-cover-1219825.html

Overview:

Title: Nebula Science Fiction, Number 27 (back cover)
Author: ATom
Year: 1958
Type: Interior Art

Variant Titles:

1958. Nebula Science Fiction, Number 27 (back cover)