Robert Siegel Galleries: Worldwide Stamps and Postal History, 1365, New York

Auction Details

Auction Report
Auction Date
November 11, 2025 - November 14, 2025
Page Size: 586 items in 24 pages
Lot Number Author Name Book Title Place Printed Year Published Estimate Actual Price
3355

Mongolia, 1909, Double Weight Cover to Kalgan.

1909 USD 300.00 - 400.00 Not Sold
3356

Mongolia, 1909 Cover From Kiakhta to Kalgan.

1909 USD 1,000.00 - 1,500.00 USD 708.00
3357

Mongolia, 1912 Registered Cover to Sweden.

1912 USD 400.00 - 500.00 USD 236.00
3358

Mongolia, 1913 Postcard to Austria.

1913 USD 1,500.00 - 2,000.00 USD 2,360.00
3359

Mongolia, 1913 Insured Money Letter.

1913 USD 1,500.00 - 2,000.00 USD 2,242.00
3360

Mongolia, 1914 Cover with Russian Romanov Issue.

1914 USD 1,000.00 - 1,500.00 USD 3,540.00
3361

Mongolia, 1914 Cover with Russian Romanov Stamps.

1914 USD 1,000.00 - 1,500.00 USD 1,062.00
3362

Mongolia, 1915, Insured Money Letter.

1915 USD 750.00 - 1,000.00 USD 885.00
3363

Mongolia, 1915 Cover to Peking.

1915 USD 500.00 - 750.00 Not Sold
3364

Mongolia, 1916 Postal Card to Denmark.

1916 USD 1,500.00 - 2,000.00 USD 1,416.00
3365

Mongolia, 1917 Postcard to France.

1917 USD 1,000.00 - 1,500.00 USD 590.00
3366

Mongolia, Russian Post Offices Postal History Balance.

USD 2,000.00 - 3,000.00 USD 4,130.00
3367

Mongolia, Russian Offices Group of Better Postal History.

USD 2,000.00 - 3,000.00 USD 1,888.00
3368

Mongolia, 1895 "Fire Letter" Stampless Mail.

1895 USD 750.00 - 1,000.00 Not Sold
3369

Mongolia, 1903 Official Courier Mail.

1903 USD 750.00 - 1,000.00 Not Sold
3370

Mongolia, 1910 Double-Weight Cover.

1910 USD 400.00 - 500.00 USD 649.00
3371

Mongolia, 1911 Registered Cover.

1911 USD 750.00 - 1,000.00 USD 1,062.00
3372

Mongolia, 1911 Cover to Kalgan.

1911 USD 300.00 - 400.00 Not Sold
3373

Mongolia, 1912 Cover to Kalgan.

1912 USD 750.00 - 1,000.00 USD 531.00
3374

Mongolia, ca. 1912 Internal Cover.

1912 USD 300.00 - 400.00 USD 383.50
3375

Mongolia, 1914 Cover to Fenchow.

1914 USD 400.00 - 500.00 USD 472.00
3376

Mongolia, 1916 Registered Cover.

1916 USD 400.00 - 500.00 USD 1,180.00
3377

Mongolia, 1916 Cover to Peking.

1916 USD 300.00 - 400.00 USD 708.00
3378

Mongolia, 1919, Post Card to Japan.

1919 USD 300.00 - 400.00 Not Sold
3379

Mongolia, 1922 (ca.) Min Chu Stampless Cover.

1922 USD 200.00 - 300.00 Not Sold
  • Sotheby’s
    Year in Review
    Sotheby’s Year in Review: A Rare Hebrew Bible with Micrographic Masorah. Sold: 1,514,000 USD
    Sotheby’s Year in Review: "The Freedman's Primer.” Sold: 241,300 USD
    Sotheby’s Year in Review: Smith, William. "The Map that Changed the World." Sold: 139,700 USD
    Sotheby’s Year in Review: Psalter, C13th. Illuminated Psalter. Sold: 330,200 GBP
    Sotheby’s Year in Review: Lincoln, Abraham. The abolition of slavery. Sold: 13,697,500 USD
    Sotheby’s Year in Review: Vergilius. Opera, Venice, Aldo Manuzio, 1501. Sold: 1,041,400 USD
  • Case Antiques
    2026 Winter Fine Art & Antiques
    January 31 and February 1, 2026
    Case Antiques, Jan. 31-Feb. 1: 1775 Map of Virginia, Fry and Jefferson, ex-John Tyler. $6,000 to $8,000.
    Case Antiques, Jan. 31-Feb. 1: Albrecht Durer Engraving, The Peasant Couple at Market. $3,400 to $3,800.
    Case Antiques, Jan. 31-Feb. 1: 1777 Map: Wm. Faden, British Colonies in N. America, ex. John Tyler. $2,000 to $2,400.
    Case Antiques
    2026 Winter Fine Art & Antiques
    January 31 and February 1, 2026
    Case Antiques, Jan. 31-Feb. 1: 30 Vols. George Eliot 1st Editions; Mill on the Floss, Silas Marner, Deronda, etc. $1,400 to $1,800.
    Case Antiques, Jan. 31-Feb. 1: Celestial Floor Globe c. 1800. $1,400 to $1,800.
    Case Antiques, Jan. 31-Feb. 1: Lewis Carroll: Alice's Adventures in Wonderland, 1866 London MacMillan. $900 to $1,200.
    Case Antiques
    2026 Winter Fine Art & Antiques
    January 31 and February 1, 2026
    Case Antiques, Jan. 31-Feb. 1: President Andrew Jackson Signed Patent, 1831. $1,000 to $1,200.
    Case Antiques, Jan. 31-Feb. 1: Civil War Tintype of Calvin “Old Ballie” Walker, CSA 3rd TN Infantry, KIA, plus 3 Union Images. $800 to $1,000.
    Case Antiques, Jan. 31-Feb. 1: 1855 Georgia Pocket Map, W. G. Bonner. $800 to $1,000.
    Case Antiques
    2026 Winter Fine Art & Antiques
    January 31 and February 1, 2026
    Case Antiques, Jan. 31-Feb. 1: Audubon c. 1835 Birds of America Common Cormorant, Havell Edition. $800 to $900.
    Case Antiques, Jan. 31-Feb. 1: George Eliot, Middlemarch, 1st Edition in 8 Volumes. $600 to $800.
    Case Antiques, Jan. 31-Feb. 1: Four NASA Moon Survey Photos; 144M, 148M, 149M, 149H1. $400 to $600.