Lot
993 
Airmail, 1930 Graf Zeppelin set complete. All tied by "New York, Madison Sq. Sta., Apr 29, 1930" duplex postmarks on 5¢ Airmail entire, with U.S., German and round trip cachets, Lakehurst and Friedrichshafen transit and New York receiving backstamps, Very Fine. Scott No. C13-C15 Estimate $2,000 - 3,000.
Realized: $1,300