Lot
290 
Switzerland, (Switzerland) 1929 Zürich-Dübendorf Flight, Nov 2, with 40c Airmail block (C7) on flight cover canceled by "Romanshorn, 23.X.29" cds, additional "Zurich, Luftpost" cds and "Friedrichshafen 2.Nov. 29" cds, red boxed flight cachet handstamp, Very Fine. Zumstein Nos. 45 A. Estimate $100 - 150.
Realized: $90