4 reales on white and 2 reales on green, quadrillé paper, each bisected horizontally and arranged to a complete design, tied by double circle "FRANCO EN C.GUZMAN" to letter sheet to Guadalajara, paying the correct 3 reales rate. Bisects of the 4 reales on white are extremely rare, in this combination a unique letter. Certificates MEPSI (1972 and 1996)