This is from Ultraviolet: 69 Blacklight Posters from the Aquarian Age and Beyond, as reviewed at Flavorwire. I missed the Aquarian Age (too young) and never acquired a taste for the leafy green stuff (too fond of air-breathing). But naked girls never go out of style:

enjoy pot and naked ladies

Via Jonno’s Tumbr, via Violet Blue. (Violet has blogged up a storm this weekend — I could blog for a week on the stuff she’s posted and linked over the last few days. Go thou, and catchest up.)