Categories: Covers (below), plus Postmarks, Fancy Cancels, and Postcards on their own pages (see links above). Artifacts and Biographies are being added as source material becomes available.
459Covers
17Postmarks
62Fancy Cancels
69Postcards
Covers (459)
Text Postmark #1: Buffalo, NY — 1988-03-28 Stamp:…
GWMSN Logo Postmark #1: Mount Vernon, VA —…
Independence Hall, Philadelphia PA Postmark #1: Philadelphia, PA…
Text Postmark #1: Washington, DC — 1987-08-28 Stamp:…
Text Postmark #1: Washington, DC — 1987-08-28 Stamp:…
Text Postmark #1: Washington, DC — 1987-08-28 Stamp:…
Text Postmark #1: Washington, DC — 1987-08-28 Stamp:…
Text Postmark #1: Washington, DC — 1987-08-28 Stamp:…
Text Postmark #1: Washington, DC — 1987-08-28 Stamp:…
Text Postmark #1: Washington, DC — 1987-08-28 Stamp:…
Text Postmark #1: Philadelphia, PA — 1987-05-25 Stamp:…
Text/label Postmark #1: Philadelphia, PA — 1987-05-17 Stamp:…
Grand Lodge of MD Seal - Bicentennial Postmark…
Presidential Birthplace Station Postmark #1: Popes Creek, VA…
BALPEX (Card) Postmark #1: Hunt Valley, MD —…
Map Postmark #1: Intercourse, PA — 1986-06-28 Stamp:…
Arctic Map Postmark #1: North Pole, AK —…
Stamp Collecting Hoibby Postmark #1: Chicago, IL —…
Brian William Jennings Portrait Postmark #1: Salem IL…
Profile Postmark #1: Washington, DC — 1986-02-27 Stamp:…
Text, With GWMSC and APS Labels Postmark #1:…
Stamp Collecting Joint Issue US and Sweden Large…
Samuel L. Clemens - Mark Twain Postmark #1:…
Square and Compass / Text Postmark #1: Washington,…
Henry Knox Postmark #1: Thomaston, ME — 1985-07-25…
Text Postmark #1: New York, NY — 1985-07-18…
George Washington's Gavel Postmark #1: Waubeka, WI —…
Broadway Musical -ShowBoat Postmark #1: New York, NY…
Drawing of George Washington / Ronald Reagon Postmark…
Drawing of George Washington / Ronald Reagon Postmark…
Drawing of George Washington / Abraham Lincoln Postmark…
Square and Compass / Masonic Presidents Postmark #1:…
George Washington Surrenders his Commision Postmark #1: Annapolis,…
George Washington Surrenders his Commision Postmark #1: Annapolis,…
Treaty of Paris Postmark #1: Philadelphia, PA —…
Henry Clay Postmark #1: Washington, DC — 1983-07-13…
Ben Franklin and Crossed Flags Blue Envelope Postmark…
George Washington Portrait Postmark #1: Mount Vernon, VA…
FDR Postmark #1: Hyde Park, NY — 1982-01-30…
GWMSC 25th Anniversary Postmark #1: Washington, DC —…
Photo of Presidential Mansion and WhiteHouse Postmark #1:…
Isaiah Thomas, Square and Compass Postmark #1: Worshester,…
George Washington Portrait Postmark #1: GW's Bithplace VA…
Photo of Mount Vernon VA Postmark #1: GW's…
Photo of Ronald Reagon Postmark #1: Washington, DC…
George Washington, Surveying Postmark #1: Mount Vernon, VA…
W.C. Fields Postmark #1: Beveryly Hills, CA —…
Alter and Bible Postmark #1: Fredericksburg VA —…
George Washington Praying, Green Envelope Postmark #1: Valley…
Flag Making during Revolution Postmark #1: Cincinnati, OH…