1929, Eagle, perforated proof of 25c in brown and green, nicely centered and very fresh, full OG, hinged, VF, only 50 stamps were printed

300.00

1929, Eagle, imperforated proof of 25c in green and brown, horizontal pair, nice four-side margins, full OG, hinged, VF and scarce, only 50 stamps were produced

750.00

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

150.00

1944, Symbol of Flight, set of three essays of not approved design for 50c in various color combinations, all are in blocks of four with perfin "Muestra" (Specimen), full OG, NH, VF
Click here to see the backside

200.00

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

150.00