Panama, 1930 South America Flight, card with mixed franking of Panama Airmail 25c deep blue (C9) pair with top selvage, tied by "Panama May 15 1930" duplex and U.S. 65¢ Graf Zeppelin (C13) tied by "New York, N.Y., Grand Central, May 27 1930" duplex, Havana, Cuba (5.18) backstamp, appropriate American and German cachets, Very Fine. Scott Nos. Panama C9 + U.S. C13. Sieger Nos. 64 X  Estimate $1,000 - 1,500. A RARE 1930 SOUTH AMERICA ZEPPELIN FLIGHT COVER FROM PANAMA WITH APPROPRIATE FLIGHT CACHETS. $0 (Image)

Panama, 1930 South America Flight, cover with Panama Airmail 25c deep blue (C9) pair and block of four, 5c on 10c orange (C5) strip of three, plus 15c deep green and 20c rose (C7, C8), all tied by "Panama May 15 1930" duplexes endorsed via Havana and Friedrichshafen, Havana, Cuba (5.18) backstamp, Very Fine. Sieger Nos. 64 X  Estimate $1,000 - 1,500. A RARE 1930 SOUTH AMERICA ZEPPELIN FLIGHT COVER FROM PANAMA. $0 (Image)