Robert A. Siegel Auction Galleries
U.S. Essays, Proofs and Specimens
Trans-Mississippi Issue
U.S. Essays, Proofs and Specimens
Officials
U.S. Essays, Proofs and Specimens
U.S. Postmasters' Provisionals
1847 Issue
1875 Reproduction of 1847 Issue
1851-56 Issue
1857-60 Issue
1875 Reprint of 1857-60 Issue
1861-66 Issue
1867-68 Grilled Issue
1875 Re-Issue of 1861-66 Issue
1869 Pictorial Issue
1875 Re-Issue of 1869 Pictorial Issue
1870-88 Bank Note Issues
1890-93 Small Banknote Issue
Columbian Issue
1894-98 Bureau Issues
U.S. Booklets - Complete
Washington-Franklin Issues
U.S. Booklets - Complete
Collections and Accumulations
Trans-Mississippi Issue
Pan-American Issue
1902-08 Issue
20th Century Commemorative Issues
Washington-Franklin Issues
20th Century Commemorative Issues
Washington-Franklin Issues
20th Century Commemorative Issues
Washington-Franklin Issues
20th Century Commemorative Issues
Air Post
Special Delivery
Postage Due
Offices in China
Officials
U.S. Essays, Proofs and Specimens
Newspapers & Periodicals
Parcel Post (Q, JQ, JE)
Carriers, Locals and Independent Mails
U.S. Essays, Proofs and Specimens
Revenues
U.S. Essays, Proofs and Specimens
Revenues
U.S. Essays, Proofs and Specimens
Revenues
Hunting Permits
Revenues
Confederate States and Civil-War Related
Canal Zone
Guam
Hawaii
U.S. Possessions-General
1857-60 Issue
1869 Pictorial Issue
1870-88 Bank Note Issues
1890-93 Small Banknote Issue
Columbian Issue
1894-98 Bureau Issues
Trans-Mississippi Issue
Pan-American Issue
1902-08 Issue
20th Century Commemorative Issues
Washington-Franklin Issues
20th Century Commemorative Issues
Washington-Franklin Issues
20th Century Commemorative Issues
Washington-Franklin Issues
20th Century Commemorative Issues
Washington-Franklin Issues
20th Century Commemorative Issues
Washington-Franklin Issues
20th Century Commemorative Issues
Air Post
Special Delivery
Registration
Postage Due
Offices in China
Officials
Newspapers & Periodicals
Parcel Post (Q, JQ, JE)
1851-56 Issue
1857-60 Issue
1861-66 Issue
1867-68 Grilled Issue
1870-88 Bank Note Issues
1890-93 Small Banknote Issue
1902-08 Issue
Columbian Issue
Washington-Franklin Issues
20th Century Commemorative Issues
Air Post
Special Delivery
Officials
Newspapers & Periodicals
Collections and Accumulations
1894-98 Bureau Issues
Washington-Franklin Issues
Collections and Accumulations
20th Century Commemorative Issues
Collections and Accumulations
Postal Stationery