Orignally in The Realist in 1967 as black and white. It was so successful they made a colorized version and sold it as a poster.
Paul Krassner passed away in 2019 and his website is no longer active. SO I have not found anywhere to buy this poster except for big bucks on various sites like eBay. Oh well.
Click picture to see bigger
Isn’t amazing how as a kid, we miss subtle adult humor?
Trololololol, good one.