First U.S. Airplane Meet in the US, held outside Baltimore, Md. at Halethorpe Field. Set of seven different pioneer flight picture postcards, one card was used from Baltimore on 21 Nov 1910 with message states they were a great excitement, cards depict famous aviators who competed at this meet including Ely, Drexel, Latham (3), and Radley, in the book The Pioneer Airplane Mails of the US by Thomas J. O'Sullivan states that only 2 cards are known from this meet and no special postmarks were used; some light card wear, F.-V.F., a rare set for the airmail specialist. also, a 1927 magazine is included and on pages 76-94 is an aviation family album of photos. Estimate  $400 - 600. $0 (Image)