Manufactured By Fono Industrias De Centroamerica HECHO EN GUATEMALA POR FONO INDUSTRIAS DE CENTROAMÉRICA. Matrix / Runout: MF 1051-1- 17-15-76 (A Side etched) Matrix / Runout: MF 1051-2 15/6/76 (B Side etched) Matrix / Runout: MF-1051 1 (Label Side A) Matrix / Runout: MF-1051 2 (Label Side B)