Zeppelin Flight. 1931 (June 28), Schwaben Flight postcard, franked by two stamps, tied by oval date stamp, Friedrichshafen ''28.6.31'' connection and Böblingen the same day arrival marking, violet confirmation cachet, VF, Sieger #112 (Image)

GERMANY IN THE WORLD WAR I: 1914-15, 41 sheetlets of six poster stamps, the total is 246 labels related to different military units of various army services, all produced by Wentz and Co, Berlin, perforated on gummed paper, some with perf separations, still full OG, VF and colorful group, Est. $400-$500 (Image)

Allenstein. 1920, black overprint ''Plebiscite. Olstyn. Allenstein'' on 5pf-40pf, unissued compete set of five, full OG, NH, VF, each stamp with Z. Mikulski hs, C.v. $725, Michel #II-VI, €900 (Image)

Semi - Postal issues. 1933, Richard Wagner Works, 3+2pf - 40+35pf, complete set of nine, 6+4pf, 12+3pf and 20+10pf with perforation 13½x14, all others with perforation 13½x13, full OG, NH, VF, C.v. $1,880 (Image)

Semi - Postal issues. 1935, Koenigsberg Stamp Exhibition ''OSTROPA'', 3pf- 25pf, souvenir sheet of four stamps, size 148x105mm, unused, no gum as usual, VF, C.v. $975, Mi Block #3, C.v. €1,300 (Image)

Zeppelin Flights. 1929 (April 19), South West Germany Flight two postcards and one cover, franked by 3pf (cards) or 8pf (cover), cancelled by Baden-Baden, Mannheim and Stuttgart, each one with red confirmation ''19.APR.1929'' marking, housed on pages from a Collection, Sieger #023.Ic, d, e, C.v. €830 (Image)

Zeppelin Flights. 1929 (April 23-25), Mediterranean Sea two Flight covers, both addressed to Chicago, franked by Zeppelin stamp of 2m ultra, tied by board cancel, red confirmation cachet, drop markings of Seville (machine ''24.ABR.29'') or S. Remo (''25.4.29''), mostly VF, Sieger #24d, var, C.v. €450 (Image)

Zeppelin Flights. 1930 (June 22-25), Germany Flight two postcards, franked by German Eagle 1m black and salmon, first one cancelled on-board ''22.6.1930'' and has Copenhagen and Berlin ''22.6.30'' markings, the other one tied by Berlin-Staaken ''24.6.30'' ds and with Friedrichshafen arrival of June 25, both are on Collection pages, VF, Sieger #68Bd and Fa, C.v. €340 (Image)

Zeppelin Flights. 1931 (July 24-25), North Pole Flight cover to Leningrad, franked by ''Polar-Fahrt 1931'' overprint on 2m ultra, tied by Friedrichshafen ''24.7.31'' ds, red confirmation marking and Leningrad special arrival marking, VF, H.-D. Schlegel certificate, Sieger #119E, C.v. €375 (Image)

Zeppelin Flights. 1936 (August 1, 5-8), two covers from Airship ''Hindenburg'' Olympic Flight and 6th NAF, both franked by Olympic stamps, first one by complete set of 8, the other one by 8 stamps (2 se-tenant blocks) from Olympic souvenir sheets, confirmation markings and appropriate arrival ds, VF, Sieger #427Bb, 428D, C.v. €525 (Image)

Zeppelin Flights. 1937 (May 6), after crash of Airship ''Hindenburg'' illustrated cover intended for Return Flight from Lakehurst to Frankfurt, bearing two Zeppelin stamps, red lilac four- line cachet ''Intended for first eastbound trip of Airship ''Hindenburg'' in 1937...'', fresh and VF, Sieger #454Ea, C.v. €350 (Image)