Lot
600 
Airmail, 1930, $1.30 Graf Zeppelin. Vertical strip of three tied by "New York, Warwick St. Sta., May 6, 1930" duplex postmarks on legal size flight cover, U.S., German and round trip flight cachets, Friedrichshafen and New York transit backstamps, Very Fine. Sieger No. 64BII. Scott No. C14 Estimate $500 - 750.
Realized: $750