Psychedelic 60s Posters Psychedelic 60s Posters from Barb Kelly Psychedelic 60s Posters Poster I made in my Graphic Design class for the Psychedelic 60's era. Mama Cass - Mamas and the Papas - Poster I made in my Graphic Design class for the Psychedelic 60's era. gLike Psychedelic 60s Posters Illustrator Illustration Share R 7 n Barb Kelly Freelance Graphic Designer Bolingbrook, IL Follow Contact