Made By EMI Capitol De Mexico, S.A. De C.V.
(P) 1973 on labels but could be issued in 1978 if we refer to matrix A side.
Matrix / Runout: C.D. EPEM-10145-1 23-Y1-78 AAM (Etched runout A)
Matrix / Runout: EPEM - 10145 - 2 (Etched runout B)