1920 Grosse Innendienst, 60pf magenta, 1m carmine and 2m gray blue, set of three, well centered, n.h. and post office fresh, signed Hochkeppeler and Seifert, with 1981 Gerhard Schuler certificate (echt und einwandreier erhaltung, mit original gummi und postfrisch) (Mi.47-49, Euro 9,000) cat. $7500 (Cat No. 44,47,48) (Image)

Cat. $7500, Est.$2,500

1923 60pg dark violet, watermark 3, double impression, h.r., v.f., with 2012 Dr.Oechsner certificate. A rare stamp, listed but unpriced (Mi.113DD) (Cat No. C5var) (Image)

Est.$350

1936 (Aug) "Bremen" Flight to New York, Brosen departure, appropriate cachet, some toning, otherwise fine (Image)

Est.$200

1896-99 2M lilac single, 2M dark purple, vertical pair, tied by Kamerun cds on pieces, fine-v.f. (Image)

Est.$250

1898 (29 June) cover to Germany, franked with vertical pair of 20pf ultramarine, tied by cds, with Berlin arrival pmk on back, filing fold away from the stamps, fine forerunner usage (Image)

Est.$150

1898 (20 July) German stationery 5pf card used from Rio Del Rey to Metz, with crayon and "T" due markings, plus arrival pmk 26.9.98 at bottom, card creases, rare forerunner usage from Cameroun (Image)

Est.$250

1899 3pf yellow brown, lightly hinged (if at all), v.f. (Mi.1 I, Euro 750) cat. $625 (Cat No. 1a) (Image)

Cat. $625, Est.$250

1899 3pf yellow brown, canceled by Ponape cds on piece, v.f., signed Mohrmann, etc., cat. $750 (Cat No. 1a) (Image)

Cat. $750, Est.$250

1899 5pf green, 10pf carmine, 20pf ultramarine, used, fine-v.f., with handstamped guarantee marks, cat. $950 (Cat No. 2a,3a,4a) (Image)

Cat. $950, Est.$250

1896 10pes on 20pf ultramarine, vertical gutter pair, used, v.f. (Cat No. 9) (Image)

Est.$150

1900 (30 Feb) small cover to Germany, franked with two different 5pesa surcharges, tied by Wilhelmsthal Deutsch Ost-Afrika departure cds, v.f., with Wiesbaden arrival (Image)

Est.$150

1900 Yacht 2p-3R complete set of 11 used, mostly on pieces, many better cancels (Kilwa, Lindi, Amani, Bagamoyo, etc.), fine-v.f., cat. $495 (Cat No. 11-21) (Image)

Cat. $495, Est.$200

1900 Yacht 2p-3R complete set of 11 used, mostly on pieces, many better cancels (Kilwa, Lindi, Amani, Dar-es-Salaam, etc.), fine-v.f., cat. $495 (Cat No. 11-21) (Image)

Cat. $495, Est.$200

1900 Yacht 2p-3R complete set of 11 used, mostly on pieces, many better cancels (Kilwa, Lindi, Amani, Mombo, Tanga, etc.), fine-v.f., cat. $495 (Cat No. 11-21) (Image)

Cat. $495, Est.$200

1900 Yacht 2p-3R complete set of 11 used, mostly on pieces, many better cancels (Kilwa, Bukobam Lindi, Amani, etc.), fine-v.f., cat. $495 (Cat No. 11-21) (Image)

Cat. $495, Est.$200

1900 Yacht 2p-3R complete set of 11 used, mostly on pieces, many better cancels (Kilwa, Bukobam Lindi, Amani, etc.), fine-v.f., cat. $495 (Cat No. 11-21) (Image)

Cat. $495, Est.$200

1900 Yacht 2p-3R complete set of 11 used, mostly on pieces, many better cancels (Kilwa, Bukobam Lindi, Amani, etc.), fine-v.f., cat. $495 (Cat No. 11-21) (Image)

Cat. $495, Est.$200

1900 Yacht 2p-3R complete set of 11 used, mostly on pieces, many better cancels (Kilwa, Bukobam Lindi, Amani, etc.), fine-v.f., cat. $495 (Cat No. 11-21) (Image)

Cat. $495, Est.$200

1906 (14 Mar) registered cover from Amani to Bremen, franked with Yacht 20h, 30h, 45h and 60h (unwatermarked), tied by cds, with Tanga transit pmk on back, v.f. (Image)

Est.$150

1908 (28 May) registered cover from Pangani to Dar-es-Salaam, franked with 8x2 1/2h, single 4h and pair of 15h, paying 54h, with arrival (Dar-Es-Salaam Deutsch Ostafrika 30 5 08) on back, some toning around the registry label, fine cover (Image)

Est.$150

1899-1906 selection of 29 postal cards, including 5pf, 3pe, 10pe, 2 1/2h and 4h, used from Tanga, Pangani, Langenburg, Dar-es-Salaam, Wilhelmstahl, Maupi, Kilwa, Kilossa, Mauanza, Bagamayo, Bismarckburg, Ujiji, Kilimatinde, Moschi, Muhega, Korogwe, sent mostly to Germany, some duplication, also two additional German stationery cards used from Dar-Es-Salaam, fine group (Image)

Est.$1,000

1900 (6 Jan) registered picture postcard (Gruss aus Matupi) to Germany, franked with 2x5pf green overprints, used in combination with unoverprinted Germany 20pf ultramarine, Registered "Matupi Eingeschreiben" label overprinted "Postkarte", with transit and arrival pmks in Gorlitz 23.2.00, fine mixed franking/forerunner usage (Image)

Est.$250

1900 (18 Dec) registered cover to Germany, franked with block of 4x10pf Deutsch Neu-Guinea overprints, tied by Stephansort cds, with corresponding Registry label alongside, Hannover arrival 11.02.01 on back, fine usage (Image)

Est.$250

1912 (2 Dec) registered cover from Rabaul to Germany, franked with 3pf-80pf Yacht (unwatermarked), v.f. (Image)

Est.$150

1901 (23 Oct) picture postcard (Gruss aus dem Bismarck-Archipel Salomon Inseln) to Germany, franked with 2x3pf Yacht, tied by "Kais.Deutsche Marine Schiffspost No.2" pmk, additional strike below, Osterline 24.12 arrival pmk below, card creases and tape adhesions (Image)

Est.$150