Airmail "Firsts" Cover Collection, over 50 covers in hand-crafted pages in two albums; includes many pioneer flight including the 1912-13 McLeansboro, Ills. flights, #C2 & C3 first flight usages, other firsts including 1919 first shore-to-ship, 1924 first round-the-world flight and the 1938 first Howard Hughes round-the-world flight; a nice group of flights. Estimate  $750 - 1,000. $0