Lot
628 
Airmail, 1933, 50¢ "Chicago" Zeppelin, fine single, tied on FDC to Washington, D.C/. by New York, N.Y. 10/2/33 machine cancel, colorful cachet at left (Aerophilatelic Club of New York), back stamped Washington, D.C. Special Del. 10/2/33 duplex, Very Fine. Scott Nos. C18 Estimate $75 - 100.
Realized: $110