| United States |
| 1847 Issue (9) |
| 1851 Issue (12) |
| 1857 Issue (16) |
| 1861 Premiere Gravures (1) |
| 1861-1866 Issue (12) |
| 1867 Grilled Issue (9) |
| 1869 Pictorial Issue (13) |
| 1870-1871 National Bank Note Co. Issue, I Grill (2) |
| 1870-1871 National Bank Note Co. Issue, without gr (2) |
| 1873 Continental Bank Note Co. Issue, white wove (1) |
| 1875 Reprints of the 1857 Issue (1) |
| 1879 American Bank Note Co. Issue, soft paper (2) |
| 1890-1893 Small Bank Notes Issue (2) |
| 1893 Columbian Issue (5) |
| 1894 First Bureau Issue, Unwatermarked (1) |
| 1895 First Bureau Issue, Watermarked (2) |
| 1898 Trans-Mississippi Issue (4) |
| 1901 Pan-American Issue (3) |
| 1901-1939 Issues (Mainly FDC's) (1) |
| 1902-1908 Second Bureau Issue (4) |
| 1904 Louisiana Purchase Issue (1) |
| 1907 Jamestown Issue (2) |
| 1908-1909 Washington-Franklin Issue, DL wmk, imper (1) |
| 1908-1909 Washington-Franklin Issue, DL wmk, perf (1) |
| 1909 Commemorative Issues (2) |
| 1910-1911 Washington-Franklin Issue, SL wmk, perf (1) |
| 1910-1913 Washington-Franklin Issue, SL wmk, perf (1) |
| 1912-1914 Washington-Franklin Issue, SL wmk, perf (1) |
| 1913-1915 Panama-Pacific Issue (1) |
| 1914-1916 Washington-Franklin Issue, SL wmk, perf (1) |
| 1918-1920 Washington-Franklin Issue, offset, imper (1) |
| 1922-1929 Fourth Bureau Issue (7) |
| 1923 Harding Memorial Issue (2) |
| 1924 Huguenot-Walloon Tercentenary Issue (1) |
| 1925 Lexington-Concord Sesquicentenary Issue (1) |
| 1925-1929 Issues (1) |
| 1929 Kansas-Nebraska Issue (3) |
| 1929-1937 Issues (3) |
| 1930-1981 Issues (Sc. 683-1891) (4) |
| 1938-1954 Presidential Series (1) |
| Airmail (12) |
| Carrier - Semi-Official (2) |
| Computer-Vended Postage (2) |
| Confederate States (2) |
| Errors, Freaks & Oddities (4) |
| Hunting Permit |
| Duck Stamps (8) |
| Local (3) |
| Misc. Back-of-the-Book (5) |
| Newspaper (2) |
| Official (12) |
| Parcel Post (4) |
| Postage Due (4) |
| Postal Stationery (10) |
| Official Envelopes (3) |
| Postmasters’ Provisionals (7) |
| Revenue (5) |
| Marihuana Tax (1) |
| Private Die Match (1) |
| Private Die Medicine (1) |
| Proprietary (1) |
| Silver Tax (2) |
| Stock Transfer (3) |
| Wines (1) |
| Savings |
| Postal Savings (1) |
| Special Delivery (4) |
| U.S. Postal Agency in China (4) |