EQUATORIAL GUINEA: 25 Ekuele (7.7.1975) in purple on light orange and green unpt with President Biyogo at right and underneath "MACIAS NGUEMA BIYOGO". S/N: "E/9 958976". WMK: Biyogo. Printed by TDLR. Inside holder by PMG "Superb Gem Unc 67 - EPQ". Top grade in PMG. (Pick 4) & (Spink BP B1a).