Vector 56

From Author Wars - https://authorwars.com/publications/vector-56-308429.html

Overview:

Title: Vector 56
Author: Bob Parkinson
Year: 1970
Publisher: BSFA
Price: 4/-
Pages: 16
Binding: other
Type: MAGAZINE
Title Reference: Vector - 1970
Notes: Page numbering does not include covers.
6.7" x 9.6"
At least two versions exist - one with a cover price of "4s" and another without it (for BSFA members, maybe).