Lot
296 
(United States) 1930 South America - Pan America Flight, May 18-31, with 1930, $1.30 & $2.60 Graf Zeppelins (C14-C15). One of each, tied by "New York, N.Y., Varick St. Sta., May 7, 1930" duplex datestamp on Roessler Graf Zeppelin Over the Statue of Liberty cachet flight cover, U.S. & German cachets and scarce purple circular "Round Trip" handstamp. Sieger Nos. 64 B-C Estimate $500 - 750.
Realized: $450