Vintage 1975 Warehouse Sound San Luis Obispo rooftop rock & roll concert poster

Description

This is for a rare 1975 Warehouse Sound Company Rock and Roll poster. Rooftop concert was a ,000 super sound system to be used in the 1976 super bowl half time show. They had a concert to try the system out before the big game. It is 24 by 18 1/2 inches, and in very good condition. Ship worldwide, thanks for looking.