Manufactured By Dischi Ricordi S.p.A.
Licensed From G. Ricordi & C. S.p.A.
SRL 10-524 on labels, SRL 10.524 on cover.
Matrix / Runout: NLNL-4105 (Etching side A, variant 1)
Matrix / Runout: NLNL-4222 (Etching side B, variant 1)
Matrix / Runout: NLNL-4105 10-11-68 (Etching side A, variant 2)
Matrix / Runout: NLNL-4222 10-11-68 (Etching side B, variant 2)
Matrix / Runout: NLNL 4105 (Side A, label)
Matrix / Runout: NLNL 4222 (Side B, label)
Rights Society: BIEM