This is a 1929 ad for a Acousti-Celotex featuring the gymnasium of the Royal Oak High School in Royal Oak Michigan and the Gymansium of the Quarton School in Birmingham, Michigan! The size of the ad is approximately 10x13.5inches. The caption for this ad is 'Less noise in your gym' The ad is in great condition. This vintage ad would look great framed and displayed! Add it to your collecction today!