Bidspirit auction | Two Avalon Ballroom Psychodelic Posters

Two Avalon Ballroom Psychodelic Posters Grateful Dead , Big Brother & the Holding Company - Two Avalon Ballroom Psychodelic Posters Grateful Dead , Big Brother & the Holding Company. Printing by Family Dog Productions. Grateful Dead Print number 45-1, both Mouse Studio posters. Approximately 14.0W x 20.0H in.