Mexico, 1935 Amelia Earhart Solo Flight - Mexico City to New York City, registered flight cover addressed to New York City, with inscription and signature "Carried by air, Mexico D.F., New York, May 8, 1935, Amelia Earhart", franked with 1935, 20c Earhart Overprint and 1930, 40c Air Post Official tied by "Mexico, D.F., 2 May, 35" cds, in combination with U.S. 3¢ and 15¢ tied by "Newark N.J., May 8" duplex postmark, appropriate registry datestamps and labels on front and reverse; 40c Air Post Official with preuse margin nick at bottom left and some faint cover tone spots at right, otherwise Very Fine, One of the Most Highly Sought After Amelia Earhart Signed Flight Covers. AAMC No. 1231 $10,000. Scott No. C74+CO14  Estimate $7,500 - 10,000. $0 (Image)