This original 1960s psychedelic concert poster from the Avalon Ballroom in San Francisco captures the essence of the era with its vibrant colors and iconic imagery. The medium-sized poster features a theme centered around music and psychedelic art, perfectly reflecting the pop art and modernism styles popular during that time. With its unsigned design and creation in 1967, this vintage piece of American art history is a must-have for collectors and fans of 1960s music and culture. 14 1/32 x 19 59/64 in.