The Blues Project and Great Society at Avalon Ballroom - 1966 (Poster)

Vintage (3rd print) poster promoting shows with The Blues Project and Great Society (with Grace Slick) at Avalon Ballroom in April of 1966. Designed by Wes Wilson. Family Dog Productions. "35" written in pencil on the back.

Measures ~ 14.25x20.5 inches. Couple tiny tears on edges, some slight crinkling. See photos!