Guadalajara, 1867, 2r black on green quadrille, half used as 1r, on small piece in combination with 4r black on rose tied by oval "Guadalajara, Avril 1, 1867" cancel, Very Fine, less than 10 combinations with splits are known; with 1981 MEPSI certificate. Scott No. 13a+7  Estimate $200 - 300. $0 (Image)