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
3380

Mongolia, 1929 Inbound Cover from Manchuria.

1929 USD 200.00 - 300.00 USD 118.00
3381

Mongolia, 1939 Postcards To Japan.

1939 USD 200.00 - 300.00 Not Sold
3382

Mongolia, Chinese Courier Mail.

USD 400.00 - 500.00 USD 236.00
3383

Mongolia, Chinese Post Offices Postal History Balance.

USD 500.00 - 750.00 USD 1,003.00
3384

Mongolia, 1924, Interim Period Stampless Cover.

1924 USD 1,000.00 - 1,500.00 USD 885.00
3385

Mongolia, 1924, 1c, 5c First Issue (1, 3).

1924 USD 300.00 - 400.00 USD 1,180.00
3386

Mongolia, 1924, 5c, 20c First Issue (3, 5).

1924 USD 750.00 - 1,000.00 USD 1,062.00
3387

Mongolia, 1924, 5c, 25c First Issue (3,5).

1924 USD 200.00 - 300.00 USD 383.50
3389

Mongolia, 1926, 2c Orange, 10c Green, Violet Overprint (17, 19).

1926 USD 500.00 - 750.00 USD 708.00
3390

Mongolia, 1926, 5c Plum, 20c Yellow Brown, Black "Postage" Overprint (18a, 20a).

1926 USD 500.00 - 750.00 USD 885.00
3391

Mongolia, 1926, 5c Plum, 20c Yellow Brown, Black "Postage" Overprint (18a, 20a).

1926 USD 300.00 - 400.00 USD 177.00
3392

Mongolia, 1926, 20c Yellow Brown, "Postage" Overprint (20).

1926 USD 300.00 - 400.00 USD 177.00
3393

Mongolia,

USD 300.00 - 400.00 USD 413.00
3394

Mongolia, 1926-29, 5m Lilac & Black, 20m Blue & Black, 25m Yellow Green & Black (33, 36, 39),

1926-29 USD 750.00 - 1,000.00 USD 1,003.00
3395

Mongolia, 1926-29, 1m, 2m, 5m, 10m Soyombo (34-37).

1926-29 USD 300.00 - 400.00 Not Sold
3396

Mongolia, 1926, 1m, 2m, 40m Soyombo (34, 35, 40).

1926 USD 300.00 - 400.00 USD 413.00
3397

Mongolia, 1926, 1m, 5m, 10m Soyombo (34, 36, 37).

1926 USD 300.00 - 400.00 Not Sold
3398

Mongolia,

USD 500.00 - 750.00 USD 1,121.00
3399

Mongolia, 1926-29, 10m Light Blue & Black, 20m Blue & Black, 25m Yellow Green & Black (37, 44C, 44D).

1926-29 USD 400.00 - 500.00 USD 560.50
3400

Mongolia, 1926, 25m Yellow Green & Black (39).

1926 USD 400.00 - 500.00 Not Sold
3401

Mongolia, 1926-29, 25m Yellow Green & Black (39).

1926-29 USD 300.00 - 400.00 USD 354.00
3402

Mongolia, 1926-29, 25m Yellow Green & Black (39).

1926-29 USD 300.00 - 400.00 USD 354.00
3403

Mongolia, 1926-29, 25m Yellow Green & Black (39).

1926-29 USD 300.00 - 400.00 Not Sold
3404

Mongolia, 1926-29, 50m Buff & Black (41).

1926-29 USD 1,000.00 - 1,500.00 Not Sold
3405

Mongolia, 1926-29, 20m Blue with Interrupted Perfs, 50m Buff & Black (41, 44C).

1926-29 USD 300.00 - 400.00 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.