United / Zyklon B Zombie

(Stereo Mono) 'U side Stereo, Z Mono

This release is the first pressing, with very off-white/'cream' labels.

A second pressing exists with more 'white' labels, and with matrix-messages :'Salon Kitty' on the ZBZ side and '437 666 OTO' 'RE-CUT 4 NOV 79' and '20,000 DOWN' scratched in the United side: (X).

There is also a misprinted version of this first pressing with identical labels on both sides of the disc: (X).'[discogs]