Lot of 5. 1 Two certificates. Incorp. 1937 Florida, National Airlines, Inc. Both I/C, common stock @ 25 cents each, Vignettes of tw allegorical males w/airline logo between them, imprinted corp. seal, Security-Columbian BNC printer. #N448527 500 shares issued Mar 18 1974, #N448527 100 shares issued May 29, 1975 signed by pres. and sec. Once a major airline operating from 1934-80 and one of only four airlines 1970-78 allowed to fly reg. schedules to Europe. Merged w/PanAm in 1980.2. Two certificates. Incorp 1948 California, Hiller Aircraft Corp. Both I/U, capital stock @$1.00 per share, Vignettes top center two allegorical females standing w/ world between them, imprinted corp. seals, "CAPITAL STOCK" underprint, Franklin-Lee Division American BNC printer. #SFC15854 100 shares issued Jul 23, 1950, #SFC021153 for One share issued June 30 1960 signed pres. and sec.. Both areEF cond. Founded by Stanley Hiller at 17 year old in 1942 to develop helicopters, became a popular military design, first civilian helicopter in 1949 to cross the US. 2021 company is struggling financially due to lawsuit for $9 million.3. Incorp 1917 Delaware. #5208, I/U, 100 shares capital stock @ no par value to Kerr & Armstrong May 3, 1930 signed R R Grant president. Green border, no vignette or corp. seal. American BNC printer . Cond. Fine. Very rare certificate. Started by Charles Kettering and Edward Deeds on the declaration of WWI in 1917 formed the originally in 1917 and in April changed the name to Dayton-Wright Co. with Orville Wright as a consultant and lending his name w/no other connection. The company supplied the DH-4 for the military, produce the first military aircraft w/retractable landing gear. The president was Rudolph R Grant, WWI aviator and member of the Early Birds of Aviation organization. Ken Prag Collection