1934, National University issue, complete set of ten, including postal tax stamp, nice quality and well centered, full OG, NH or previously hinged (40c and 10p), mostly VF, C.v. $3,429 as hinged

1944, Symbol of Flight, set of three essays of unapproved design of 50c in various color combinations, all are in blocks of four with perfin "Muestra" (Specimen), full OG, NH, VF

300.00

May 23, 1939, Sarabia Flight from Mexico City to New York, registered cover franked by three stamps, including a single of 20c with Sarabia overprint, tied by "Servicio Aereo Mexico D.F." date stamp, violet flight cachet, New York arrival and several other markings on reverse, VF

200.00

1927, inverted black overprint "Oficial" on Post Office stamp of 5p green and black, full OG, previously hinged, VF, MEPSI certificate, the stamp is listed, but has no price in Scott Cat.

200.00