My original tumblr post was here. This illustration is the cover art of the August 1974 edition of Nightmare magazine. It contains the text “Blood-revenge drives the Monster who is ‘Wanted MoreDead Than Alive.’ Inhuman beasts dwell in the city of shoggoths in ‘The Scream and the Machine.’ Tales of horror and suspense to make your flesh crawl.” Original text:
Tweeted by Frank Enstein ☠ @frank_enstein__ .