1934, National University issue, complete set of 18, postage, air post and postal tax stamps, three high values of air post set with sheet margins, nice centering, very fresh and choice unit, full OG, LH or previously hinged, VF, Raybaudi certificate for the "key" values, C.v. $6,114

Air Post stamps and covers

1935, Amelia Earhart violet overprint on "Eagle Man" 20c lake, nice and fresh, full OG, previously hinged, VF, only 430 stamps were produced, BPA certificate, C.v. $3,250

May 3, 1935, Amelia Earhart Solo Flight from Mexico City to New York, mixed franking registered cover addressed to Stanley Gibbons, Ltd., franked by two air post values, including 20c "Eagle Man" with "Amelia Earhart"overprint, tied by Mexico D.F. date stamp, uprated by US 20c carmine and cancelled by Newark May 8, 1935 postmark, transit and arrival ds, VF, the first class air post rarity, only 40 items carried

1939, Sarabia Flight, cerise overprint on 20c blue and red, right sheet margin single, full OG, NH, VF, expertized by R. Diaz and F. Staiger, C.v. $800

250.00

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

250.00

1950-52, Guerrero, Air Mail stationery envelope 35c dark violet, indicia is printed twice, fresh, unused, VF

100.00