Benefit for Speedy Sparks at C-Boys (Poster)

Poster promoting a benefit for Speedy Sparks at C-Boys. Performers include Marcia Ball, Lou Ann Barton, The Bluebonnets, Alvin Crow, LeRoi Bros., Bobby Earl Smith, and more! Exact year/poster artist not known. 

Measures 11x17 inches. Bottom left corner damaged from tape removal.