1969 poster outta Boulder by Hess.
Hess ’69
Farther Out:
Captain Midnight (1966)
Life Is So Beautiful
Bill Ogden, London Britches
Stay off the Horse 
Mushroom Lady
The Door of Perception
Love It Or Eat It
Eagles Don’t Flock
Gunther Kieser, 1971
Bill Ogden for Tim Leary, 1970
Rick Griffin, 1975
Howard Bernstein, Sunkissed
Flower Power, 1967 (artist unknown) 🌼
Rick Griffin that’s Who
John Thompson Poster Art
East Totem West
Norman Orr, 1971
Donna Wallace-Cohen, 1968
Sue Martinez, 1970
Prairie Jackson, ’79
Jim Rumph, 1970
Hand-Embroidered Poster Art
Von Schmidt, 1970
The Kaleidoscope, 1967-1968