Artists: Alton Kelley, Stanley Mouse

Performers: Grateful Dead, Sopwith Camel

Venue: Avalon Ballroom

Event Start Date: 1966-08-19

Medium: Offset lithograph

Dimensions: approx. 14" x 20"

Edition Details: The third print poster was printed on uncoated index stock and the notation “No. 22-3” appears in the lower right corner. It is signed by both artists Stanley Mouse & Alton Kelley