Robert Siegel Galleries: The Magnolia Collection: Stamps and Postal History of Independent Mongolia, 1370, New York

Auction Details

Auction Date: December 19, 2025 - December 19, 2025

Page Size: 123 items in 5 pages

Lot Number	Book Title	Year Published	Estimate	Actual Price
4001	Mongolia, 1923 Interim Period Stampless Cover.	1923	USD 1,500.00 - 2,000.00	USD 944.00
4002	Mongolia, 1923 Interim Period Stampless Cover.	1923	USD 2,000.00 - 3,000.00	USD 1,534.00
4003	Mongolia, 1923 Interim Period Stampless Cover.	1923	USD 1,500.00 - 2,000.00	Not Sold
4004	Mongolia, 1923 Interim Period Stampless Cover.	1923	USD 2,000.00 - 3,000.00	USD 1,298.00
4080	Mongolia -- Ulan Bator, 1924, 20c Scepter of Indra, Perf 10 (5).	1924	USD 7,500.00 - 10,000.00	USD 10,030.00
4081	Mongolia -- Ulan Bator, 1924, 20c Scepter of Indra, Perf 10 (5).	1924	USD 2,000.00 - 3,000.00	USD 1,298.00
4082	Mongolia -- Ulan Bator, 1924, 20c Scepter of Indra, Perf 10 (5).	1924	USD 500.00 - 750.00	USD 413.00
4083	Mongolia -- Ulan Bator, 1924, 20c Scepter of Indra, Perf 10 (5).	1924	USD 1,000.00 - 1,500.00	USD 1,180.00
4084	Mongolia -- Ulan Bator, 1924, 10c Scepter of Indra, Perf 131/2 (4).	1924	USD 750.00 - 1,000.00	USD 590.00
4085	Mongolia -- Ulan Bator, 1924, 20c Scepter of Indra, Perf 10 (5).	1924	USD 750.00 - 1,000.00	USD 649.00
4086	Mongolia -- Ulan Bator, 1924, 50c Scepter of Indra, Perf 131/2 (6).	1924	USD 1,000.00 - 1,500.00	USD 1,003.00
4087	Mongolia -- Ulan Bator, 1924, 50c Scepter of Indra (6).	1924	USD 400.00 - 500.00	USD 501.50
4088	Mongolia -- Ulan Bator, 1924, 50c Scepter of Indra (6).	1924	USD 300.00 - 400.00	USD 472.00
4089	Mongolia -- Ulan Bator, 1924, 20c Scepter of Indra, Perf 10, Invalidating Perfs (5 var).	1924	USD 500.00 - 750.00	USD 826.00
4090	Mongolia -- Ulan Bator, 1924, 10c Specter of Indra, Perf 131/2, Violet "Postage" Overpint (4 var).	1924	USD 1,000.00 - 1,500.00	USD 590.00
4091	Mongolia -- Ulan Bator, 1926, 50c Brown & Olive Green, Violet Overprint (21).	1926	USD 1,500.00 - 2,000.00	USD 1,770.00
4092	Mongolia -- Ulan Bator, 1926, 50c Brown & Olive Green, Violet Overprint (21).	1926	USD 1,000.00 - 1,500.00	Not Sold
4093	Mongolia -- Ulan Bator, 1926, 50c Brown & Olive Green, Violet Overprint (21).	1926	USD 1,000.00 - 1,500.00	USD 590.00
4094	Mongolia -- Ulan Bator, 1926, 5c Plum, Black "Postage" Overprint (18a).	1926	USD 1,500.00 - 2,000.00	Not Sold
4095	Mongolia -- Ulan Bator, 1926, 2c Orange, Revenue Used as Postage.	1926	USD 400.00 - 500.00	USD 383.50
4096	Mongolia -- Ulan Bator, 1926, 50c Brown & Olive Green, Violet Overprint (21).	1926	USD 1,000.00 - 1,500.00	USD 944.00
4097	Mongolia -- Ulan Bator, 1926, 10c Green, Violet Overprint (19).	1926	USD 400.00 - 500.00	USD 383.50
4098	Mongolia -- Ulan Bator, 1926, 50c Brown & Olive Green, Inverted Black Overprint (21a).	1926	USD 2,000.00 - 3,000.00	Not Sold
4099	Mongolia -- Ulan Bator, 1926, 20c Yellow Brown, Violet Overprint (20).	1926	USD 400.00 - 500.00	USD 383.50
4100	Mongolia -- Ulan Bator, 1926, 50c Brown & Olive Green, Black Overprint (21a).	1926	USD 2,000.00 - 3,000.00	Not Sold

Books & Autographs
Wednesday 25 March

Koller, Mar. 25: KAFKA, FRANZ, SCHRIFTSTELLER. Eigenh. Brief mit Unterschrift. Prag, 20. Oktober [19]15. CHF 30,000-40,000.

Koller, Mar. 25: EINSTEIN, ALBERT. Zwei eigenhändige Briefe an Ernst Gabor Straus, unterschrieben "A.E" bzw. "A. Einstein". [Princeton], [19]45. und [1950]. CHF 30,000-40,000.

Koller, Mar. 25: HORTENSE DE BEAUHARNAIS, MUTTER VON NAPOLEON III. Album aus ihrem Besitz mit 69 Aquarellen und Pinselzeichnungen in Sepia oder Grau… CHF 14,000-18,000.

Koller, Mar. 25: ZOOLOGIE - ORNITHOLOGIE - Seligmann, Johann Michael. Verzameling van uitlandsche en zeldzaame Vogelen. Teile 1-8 (von 9) in 2 Bänden. Mit 421 prächtig altkolorierten Kupfertafeln. CHF 14,000-20,000

Koller, Mar. 25: BOTANIK - Berlèse, Lorenzo und Johann Jakob Jung. Iconographie du genre camellia... 3 Bände. Mit 300 Farbstichtafeln "a la poupée.” Paris, [1839-]1841-1843. CHF 12,000-18,000.
Forum Auctions
Natural History: The remaining stock of Antiquariaat Junk, 1899-2026
25 March 2026

Forum, Mar. 25: Botany.- Andrews (H.C.) Coloured Engravings of Heaths, 4 vol. in 2, first edition, [1710,--94]-1802-1809-[1830]. £10,000 - £15,000.

Forum, Mar. 25: Butterflies.- Cramer (Pierre) and Caspar Stoll. De Uitlandsche Kapellen voorkomende in de drie Waereld-Deelen…,, 5 vol., Amsterdam & Utrecht, 1779-91. £8,000 - £12,000.

Forum, Mar. 25: Voyages.- Darwin (Charles) and others. Narrative of the Surveying Voyages of His Majesty's Ships Adventure and Beagle, 3 vol. in 4, including Appendix to vol.2, first edition, 1839. £8,000 - £12,000.

Forum, Mar. 25: Butterflies.- de Graaf (Willem Diederik Vincent). [Inlandsche Kapellen in beeld], 170 fine original watercolours, [Enkhuizen], [1800-40]. £8,000 - £12,000.

Forum Auctions
Natural History: The remaining stock of Antiquariaat Junk, 1899-2026
25 March 2026

Forum, Mar. 25: Birds.- Dresser (Henry Eeles). A History of the Birds of Europe, 9 vol., including supplement, first edition, by the author, 1871-96. £6,000 - £8,000.

Forum, Mar. 25: Zoology.- Felines.- Elliot (Daniel Giraud). A Monograph of the Felidæ or Family of the Cats, first edition, for the Subscribers, by the Author, [1878]-1883. £25,000 - £30,000.

Forum, Mar. 25: Birds.- Frisch (Johann Leonard). Vorstellung der Vögel Deutschlandes, 2 vol., first edition, Berlin, Friedr. Wilhelm Birnsteil, [1736]-1763. £40,000 - £60,000.

Forum, Mar. 25: Birds.- Gould (John). The Birds of Great Britain, 5 vol., first edition, by the author, 1862-1873. £30,000 - £40,000.

Forum Auctions
Natural History: The remaining stock of Antiquariaat Junk, 1899-2026
25 March 2026

Forum, Mar. 25: Pomology.- France.- Poiteau (A.) Pomologie Française. Recueil des Plus Beaux Fruits cultivés en France, 4 vol., Paris, 1846. £30,000 - £40,000.

Forum, Mar. 25: Botany.- [Robin (Jean)]. Histoire des Plantes, nouvellement trouvées en l'Isle Virgine…,, 1620; with Geoffrey Linocier L'Histoire des plantes, second edition, 1619-20. £3,000 - £4,000.

Forum, Mar. 25: Asia.- Japan.- Siebold (P.F. von). Nippon. Archiv zur Beschreibung von Japan, 7 parts in 6 vol., first edition, Leyden, [1832]-1852. £35,000 - £45,000.

Forum, Mar. 25: Asia.- Valentijn (Francois). Oud en Nieuw Oost-Indiën..., 5 vol. in 8, first edition, Dordrecht [&] Amsterdam, 1724-26. £8,000 - £12,000.

Forum, Mar. 25: Botany.- Australia.- Redouté (P.J.).- Ventenat (Étienne Pierre). Jardin de la Malmaison, 2 vol.,, Paris, 1803-04[-05]. £30,000 - £40,000.