U.S.A. (1933) Scouts. Zeppelin. The very scarce cover sponsored by the Sea Scout Ship Alliance U.S.A. to commemorate the U.S.S. Macon passing over Ardsley on Hudson, NY on a training flight. Cover canceled September 13th in Ardsley on Hudson. Very few covers prepared. Very rare!
AVAILABLE AT $200
NETHERLANDS (1937) Scouting. Unaddressed envelope with scout series stamps tied by Wereld Jamboree cancels and with 2 Jamboree labels affixed. Scott Nos 206-8.
AVAILABLE AT $40