1862-64 25c Blue, Wells, Fargo & Co., Virginia City Pony Express, tied to U34
1851-57 3c, 10c, 12c Issues on 1857 Folded Cover to France
1856 3c Washington (Scott #11) on Cover, brownish carmine with "PAID" grid cancel
1851 3c Washington single (Scott #11) on folded letter from Louisiana to New York, dull red with black "WAY" hand stamp
1855 3c Washington single (Scott #11) on cover from Minnesota Territory, dull red
1816 Stampless Folded Letter Sent on First Day of Restored Rates
1861 10c Washington Issue (Scott #68) on cover from San Francisco to Switzerland
1st Bureau Issue 3c Jackson single (Scott #268) on 2c Entire Cover to Aden, Arabia
1855 10c Washington Type II-III Combination Strip on 1857 Cover to France
1857 10c Type II Single (Scott #32) Used On Cover -- Earliest Known Usage From California
1851-57 Issue 1c Franklin Pair and 3c Washington Single on Folded Letter to Switzerland
1856 Folded Letter to France Bearing 1c Franklin Pair (Scott #9) & 3c Washington Single
1869 Issue 24c Single (Scott #120) & 12c Pair (Scott #117) on Matching Domestic Registered Covers
1873 Continental Bank Note Printings on Cover to Argentina (Scott #162)
1859 10c Washingtons (#35) and 1c Franklin (#24) on Folded Letter to Calcutta, India
1864 cover from Canaseraga NY to Canada franked with 5 2c Jackson stamps (#73)
1861 30c Franklin (#71) on Cover to Hamburg, Germany
1863 20c Confederate (#CSA13) on Folded Letter to Virginia
1852 1c Franklin Strip of 3 (#9) on cover to Sherborn, MA
1851 3c Orange Brown Washington (#10A) on Cover to Florence, AL
1930 C14 on First Flight Cover
Complete Set of Dollar-Value Columbians On Registered Covers
1857-61 1c Franklin, perf 15
1933 50c Century of Progress Issue #C18 Dispatched from Miami 10/23/1933
1933 50c Century of Progress Issue #C18 on Flown Cover Dispatched from Freidrichshafen NY Cancel 10/4/1933
1933 50c Century of Progress Issue #C18 on Flown Cover Dispatched from Freidrichshafen, NY Cancel 10/4/1933
1933 50c Century of Progress Issue #C18 on #10 Flown Cover Dispatched from Chicago 10/26/1933
1933 50c Century of Progress Issue #C18 on Flown Cover Dispatched from Akron 10/25/1933 to either Chicago or Akron
1933 50c Century of Progress Issue #C18 Dispatched from Akron, to either Sevilla or Freidrichshafen
Delaware City Prisoner's Letter Cover Cancelled on September 15
1863 Civil War Prisoner of War Stampless Cover with Copy of Correspondence From Gettysburg
1862 Civil War Prisoner Cover to "Miss Wallis" in Baltimore
Civil War Flag of Truce Cover
1863 Civil War Prisoner of War Cover from Old Capitol Prison, Washington, DC
1864 Civil War Prisoner of War Cover from Fort Delaware, Del.
1862-64 Wells, Fargo & Company Cover - #143L7 (Pony Express) tied to U34
1861 News by Pony Express Cover
1863 Milton S. Latham Cover with Five Page Autographed Letter
1860 10c Washington & 1c Franklin on cover to Amsterdam, brown domestic cancel, red London & orange Amsterdam postmarks
1847 #1 on Folded Letter with small flaws
1847 #1 Cover or Folded Letter, Railroad Cancel with small flaws
1847 #1 Pair on Folded Letter with small flaws
1933 50c Century of Progress Issue #C18 Miami FDC