Robert A. Siegel Auction Galleries

The Buccleuch Block and World Philatelic Rarities 

Worldwide Stamps and Postal History

The Civil War and United States Postal History including Encased Postage

The Magnolia Collection: Texas Postal History, Part 1

The Robert Jenkins Collection of 19th Century Unused British, French & Italian Areas

The Magnolia Collection: Texas Postal History, Part 1

The Robert Jenkins Collection of 19th Century Unused British, French & Italian Areas

The Magnolia Collection: Stamps and Postal History of Independent Mongolia

The Daniel J. Ryterband Collection: British North America and Great Britain

The Daniel J. Ryterband Collection: Superb Quality United States Stamps

The Magnolia Collection: India Stampless Postal History, Part 6

The James A. Allen Collection of Canada and British North America Postal History

Worldwide Stamps and Postal History

Featuring: The Estate of Dennis Hassler, ...

United States and Civil War Postal History

Featuring: The Newton and Steve Crouch ...

The James Blaine Collection of Western Expresses The Dennis Hassler Collection of Western Expresses and California ...

The Roland H. Cipolla II Collection of Harnden’s Express

The Magnolia Collection: German Offices in China and Kiauchau Part 2

Selections from the Daniel J. Ryterband Collection of Classic Issues on Cover The Larry Haller Collection of Flag ...

U.S. Issues from 1847, Reprints, Reproductions, Bank Note Issues among others

Specialized 3c 1851-57 Issue The Caspary 30c Continental with J Grill (Scott 165c–lot 1183) Gem ...

A Specialized Collection of Essays and Proofs High-Quality 19th Century Stamps Blocks and Plate ...

Featuring

• The Magnolia Collection of British Mailboat Cancellations from Asia, Incoming Mail to China and ...

Rarities of the World

The Magnolia Collection: India Stamps and Postal History, Part 3

Featuring:

• Two Old-Time Collections
• Further selections from the Eugene L. Grace ...

-The Magnolia Collections of Great Britain “India Letter” markings, Specialized Middle East and Netherlands Indies
-The ...

Rarity Sale U.S. and worldwide including parts of the Magnolia collection.

The Magnolia Collections of Specialized Middle East, Netherlands Indies and Early India Flight Covers
British Commonwealth, ...

The Magnolia Collection: Japanese Foreign Mail and Post Offices

The Magnolia Collection: Classic Uruguay Stamps and Covers

U.S. Mail in China & Japan

Featuring
Comprehensive British Commonwealth, highlighted by numerous elusive and seldom-seen stamps.
Falkland Islands War ...

British Nord America

Great Britain with many high-value rarities
Extensive British Commonwealth, highlighted by numerous elusive and seldom-seen ...

The Siegel firm’s annual Rarities of the World sale will be held during our Double Sapphire 90-year anniversary. The sale contains a ...

This large and diverse sale contains an interesting assemblage of desirable stamps and covers from around the world, featuring several ...

This large and diverse sale contains an interesting assemblage of desirable stamps and covers from around the world, ...

The William H. Gross collection of United States Postal History.

This large and diverse sale contains an interesting assemblage of desirable stamps and covers from around the world, featuring several ...

The Bertsimas Collection contains many of Great Britain's most important stamp rarities, all of which are in exceptional ...

Sale 1196 features an exceptional array of U.S. postal history, including a specialized collection of the New York Postmaster's ...

This large and diverse sale contains an interesting assemblage of desirable stamps and covers from around the world – including a ...

The national and international Award-Winning Exhibit from Alfredo Frohlich – The Evolution of Postal Systems in Panama, 1777 to 1881. ...

United States Stamp Treasures from The William H. Gross Collection is the greatest U.S. stamp auction in history. The auction contains 106 ...

The Dr. Pildes collection of the popular “Doar Ivri” first issue of Israel, along with their corresponding Postage Due ...

This large and diverse sale contains an interesting assemblage of desirable stamps and covers from around the world. Included in this ...

The magnificent series of Scarsdale Collection Sales continues with a wonderful offering of the stamps of France, which appealed to the ...

The Calgary Collection is one of the finest quality collections of Canada to appear on the market in many years. Offered at unreserved ...

Our next Siegel International Sale of Worldwide Stamps and Postal History is scheduled for November 14-15, 2017. This large and diverse ...

Assembled by Barry P. Fletcher carefully over the course of many years, his collection of the Air Post issues of Colombia is one of the ...

The Air Post Semi-Official stamps of Canada, 1918-1934, are among the most popular, and elusive, stamps issued by any entity in the early ...

Featuring:
* The Chip Gliedman Collection of 12c 1861 Issue Covers
* A Collection of Philadelphia Advertising Covers sold for ...

Containing 1,850 lots, our April 25-28, 2017 auction of Worldwide Stamps and Postal History is an exceptionally diverse and interesting ...

This sizable auction of 1,214 lots contains a wealth of diverse and ...

The Irwin Weinberg “International Treasures of Philately “ sale features a wide variety of rare and elusive stamps and covers ...

This special sale, devoted to one of the most comprehensive Republic of ...

Worldwide auction offer with strong section British Commonwealth.

Welcome to Siegel International's December sale presented in two distinct parts. Part I of the sale (Sessions One and Two) is devoted ...

Siegel International's upcoming sale of Worldwide Stamps and Postal History is a wide-ranging offering of over 750 lots of ...

The Richard C. Frajola Collection of Classic Worldwide Covers from 1840-1860 consists ...