24c Carmine & Blue, 1918 Air Post, Grounded Plane Variety (C3 var.). Plane almost touches bottom frame line, trivial gum crease, one of the finest examples of this variety
10c Lindbergh (C10). First Day Covers: Detroit (8), Little Falls Minn. (9), St. Louis (9), and Washington (7), all with matching address, air mail arrow sticker and store c.c., Very Fine
5c Deep Blue, Buffalo Balloon, Vertical Tete Beche Pair (CL1a). Large margins, original gum, one stamp with small margin faults (stain, thin, crease), Very Fine appearance, very rare, with 1986 P.F. certificate