(Not easy to do these days.) Early ‘70s head shop poster by Vagabond Creations, findable on Etsy rn.
Related:
Vagabond Creations
Hang Loose
The Ark, 1967
Greg Irons, 1967
PiPaPop, 1969
Bill Ogden, London Britches
Jim FitzPatrick, 1972
Natural Act
National Library Week, 1969
Peter Max
KMPX
1975 Monster Corporation calendar
Captain Midnight (1966)
Classic 1967 poster by Connie Keelan
Discover America
1968 Human Be-in in Central Park
Québécois Love
Captain America (1970)
Dream of Me
Peter Max for Apollo 11
Everybody is Good at Heart
Life Is So Beautiful
From Detroit With Love
Procol Harum, Detroit
More Gary Grimshaw
Rob ‘Kick Out the Jams’ Tyner
Portland Posters
Windsor Typeface Appreciation Day
Peter Max Book of Posters
Stay off the Horse