Manufactured By Digital Audio Disc Corp. Glass Mastered At DADC INDEX No. 1 This disc was issued to commemorate the opening of the Digital Audio Disc Corporation: September 21, 1984 Manufactured by Digital Audio Disc Corporation, Terre Haute, Indiana, USA FOR EDUCATIONAL USE ONLY - NOT FOR SALE - COPYRIGHT 1984 1877-1984 Back and edges of CD case liner plain black, no markings Matrix / Runout: DIDX-135 11A4