Lot
583 
Airmail, 1918, 24¢ carmine rose & blue, on first flight cover tied by "Philadelphia May 15, 1918" duplex cancel, to New York City, with enclosure from female aviation pioneer Clara Adams describing the new airmail service…I want to test out the new mail service by airplane which is inaugurated today. I suppose in the years to come it will be taken as a matter of course that letters and maybe passengers, shall travel by air, plus letter back describing the delivery of the letter, "the Air Mail letter was delivered about five o'clock…the postman who delivered it was wonderfully elated over the honor, it having been the only one delivered to the Washington Bridge Station", F.-V.F., a great historical item. Scott No. C3 Estimate $400 - 600.
Clara Adams, known as the "first flighter" and the "maiden of maiden flights", was an aviator who set a variety of flying records. She helped popularize air travel and is known for being the first women to fly across the Atlantic as a passenger aboard the Graf Zeppelin.
Realized: $550