Timbres États-Unis 1991
États-Unis, 1991 : les 69 timbres de l'année, avec photos, valeurs faciales, cotes et caractéristiques.
- Circus Wagon 1900s — 5 ¢
- Canoe - Additional Non Profit — 5 ¢
- Madonna and Child by Antoniazzo Romano
- Santa Claus in Chimney
- Santa Claus in Chimney
- Santa Claus Checking List
- Earth, Landsat — 29 ¢
- Moon, Lunar Orbiter — 29 ¢
- Mars, Viking Orbiter — 29 ¢
- Uranus, Voyager 2 — 29 ¢
- Railroad Caboose 1890s — 11 ¢
- Jan E. Matzeliger (1852-1889), Inventor — 29 ¢
- District of Columbia, Capitol Building from Pennsylvania Ave — 29 ¢
- Military Vehicles (Burma Road, 717 Mile Lifeline to China) — 29 ¢
- Recruits (America's First Peace Time Draft) — 29 ¢
- Shipments for Allies (U.S. Supports Allies with Lend-Lease A — 29 ¢
- Franklin Roosevelt, Winston Chruchill (Atlantic Charter sets — 29 ¢
- Tank (America Becomes the "Arsenal of Democracy") — 29 ¢
- Sinking of Destroyer Reuben James, Oct. 31 — 29 ¢
- Gas Mask, Helmet (Civil Defense Mobilizes Americans at Home) — 29 ¢
- Liberty Ship, Sea Gull (First Liberty Ship Delivered Dec.) — 29 ¢
- Sinking Ships (Japanese Bomb Pearl Harbor, December 7) — 29 ¢
- Congress in Session (U.S. Declares War on Japan, December 8) — 29 ¢
- Stan Laurel (1890-1965) and Oliver Hardy (1892-1957) — 29 ¢
- Edgar Bergen (1903-1978) and Charlie McCarthy — 29 ¢
- Bud Abbott (1895-1974) and Lou Costello (1908-1959) — 29 ¢
- Basketball, Hoop, Players' Arms — 29 ¢
- Centenary Convention of American Numismatic Association — 29 ¢
- Pole Vault — 29 ¢
- Discus — 29 ¢
- Women's Sprints — 29 ¢
- Javelin — 29 ¢
- Women's Hurdles — 29 ¢
- Bald Eagle (Haliaeetus leucocephalus) — 2.90 $
- S.W. Asia Service Medal — 29 ¢
- S.W. Asia Service Medal — 29 ¢
- American Kestrel (Falco sparverius) — 1 ¢
- Eastern Bluebird (Sialia sialis) — 3 ¢
- Northern Cardinal (Cardinalis cardinalis) — 30 ¢
- Bald Eagle (Haliaeetus leucocephalus), Olympic Rings — 9.95 $
- Cole Porter (1891-1964), Composer — 29 ¢
- Hubert Humphrey — 52 ¢
- Royal Wulff — 29 ¢
- Jock Scott — 29 ¢
- Apte Tarpon Fly — 29 ¢
- Muddler Minnow — 29 ¢
- Jock Scott — 29 ¢
- Apte Tarpon Fly — 29 ¢
- Flags on Parade — 29 ¢
- Canoe 1800s — 5 ¢
- Tractor Trailer — 10 ¢
- William Saroyan (1908-1981), Author — 29 ¢
- William T. Piper — 40 ¢
- Fischer's Lovebird (Agapornis fischeri) — 52 ¢
- Bald Eagle (Haliaeetus leucocephalus) — 29 ¢
- Harriet Quimby (1884-1912) — 50 ¢
- Lunch Wagon 1890s — 23 ¢
- Wood Duck (Aix sponsa) — 29 ¢
- Tulip — 29 ¢
- Dennis Chavez — 35 ¢
- Flag Over Mt. Rushmore — 29 ¢
- White-tailed Deer (Odocoileus virginianus) — 19 ¢
- Bicentenary of Vermont Statehood — 29 ¢
- 700th Anniversary of Swiss Confederation — 50 ¢
- Steam Carriage 1866 — 4 ¢
- Tulip - "F" Rate — F
- Rate Makeup Stamp
- Wood Duck (Surface Tagging) — 29 ¢
- Red Cloud — 10 ¢