Lot
773 
1937 (May 6) Post-Crash Flight Cover Intended for "Hindenburg" to Germany, cover bearing 20¢ Airmail (C21) horizontal pair tied by light "New York. N.Y. G.P.O., May 6, 1937" duplex with "G.P.O." barred oval, additional bold strike at left on "Mail Via Airship Hindenburg" flight cover to Frankfurt, Germany, magenta "Intended for first eastbound trip of Airship "Hindenburg" in 1937. Could not be forwarded on account of accident to Airship, May 6, 1937." four-line handstamp, purple "Return to Sender" two-line handstamp, Very Fine. Sieger No. 454D. Estimate $150 - 200.
Realized: $625