Robert A. Siegel Auction Galleries
U.S. Essays, Proofs and Specimens
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
1875-85 Bank Note Issue Special Printings
1870-88 Bank Note Issues
1890-93 Small Banknote Issue
Columbian Issue
1894-98 Bureau Issues
U.S. Essays, Proofs and Specimens
Trans-Mississippi Issue
Pan-American Issue
1902-08 Issue
Vending & Affixing Machine Perforations
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
Air Post
Special Delivery
Registration
Postage Due
U.S. Essays, Proofs and Specimens
Officials
U.S. Essays, Proofs and Specimens
Officials
U.S. Essays, Proofs and Specimens
Newspapers & Periodicals
Parcel Post (Q, JQ, JE)
Postal Stationery
U.S. Essays, Proofs and Specimens
Postal Stationery
Revenues
Hunting Permits
Revenues
Hunting Permits
Revenues
Post Office Seals
Sanitary Fair
Confederate States and Civil-War Related
Canal Zone
Guam
Hawaii
Philippines
Puerto Rico
Postal Stationery
United Nations
Collections and Accumulations
1851-56 Issue
1857-60 Issue
1861-66 Issue
1867-68 Grilled Issue
1869 Pictorial Issue
1870-88 Bank Note Issues
Washington-Franklin Issues
Air Post
Collections and Accumulations
Special Delivery
Postage Due
Officials
Newspapers & Periodicals
Carriers, Locals and Independent Mails
Collections and Accumulations
20th Century Commemorative Issues
Collections and Accumulations
U.S. Booklets - Complete
Collections and Accumulations