Promotional silkcreen to promote sales of the OZ magazine in shop windows and advertised in OZ magazine #22 (July 1969) via the following notice:
"Let us know if you think you can persuade your newsagent to display one. You'll be sent two copies. One for his window and one for lucky you."
Image based on the "Jimi Hendrix - The Electric Circus" page published in OZ magazine #15 (September 1968).
See Jimi Hendrix "Explosion" Big O Poster Company poster by Martin Sharp.