1853-72 three stampless covers to Buenos Aires, all originating from Altona, one showing faint strike of rare maritime German datestamp, one carried via Southampton, including an interesting variety of rate notations, some folds and other minor faults, still though a rare trio.

Est. $200-300

Zeppelin "Polar-Fahrt", #C42, 1931 4m Dark brown, on envelope to Malyguin, addressed to Oslo, tied by July 26 c.d.s., showing "Polatfahrt 1931" red marking and arrival "Brise-Glace-Malyguin/Arctique" datestamp alongside, presumably with a signature of a member of the crew at left, very fine. (Image)

Est. $400-500

Zeppelin, 1931 Second South America Flight, #C42, 1931 4m Dark brown, on cover addressed to Rio de Janeiro, tied at Friedrichshafen on 9.18.31, with corresponding handstamp of the flight and red bilingual Zeppelin advertising marking of Pernambuco, very fine. (Image)

Est. $200-300

Est. $600-800