By: H. R. Harmer Inc
lot # 3158 - United States and Foreign Airmail Covers Foreign Zeppelin Flights
SWITZERLAND; Sieger 238, 1933 Century of Progress Flight, registered envelope franked with Switzerland C7, C11, C12a, C14a, C15a, C18 tied by Romanshorn 14.X.33 cancels, usual flight cachet, Friedrichshafen 14.10.33, transit cancel, backstamped Friedrichshafen, Arosa and Innerarosa, Very Fine and colorfulSale 3043: United States Postal History and Flight Covers - Tuesday, June 22, 2021 - 2 p.m. Eastern
H.R. Harmer
H.R. Harmer was founded in 1918 by Henry Revell Harmer of London. In 1940, the firm opened its New York auction gallery and quickly ascended to the top ranks of philatelic auction houses... Read More
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