| United States |
| 1847 Issue (8) |
| 1851 Issue (11) |
| 1857 Issue (13) |
| 1861 Premiere Gravures (2) |
| 1861-1866 Issue (6) |
| 1867 Grilled Issue (3) |
| 1869 Pictorial Issue (9) |
| 1870-1871 National Bank Note Co. Issue, H Grill (2) |
| 1870-1871 National Bank Note Co. Issue, without gr (1) |
| 1873 Continental Bank Note Co. Issue, white wove (7) |
| 1875 Continental Bank Note Co. Issue, yellowish wo (1) |
| 1875 Re-issue of the 1861-1866 Issue (2) |
| 1875 Re-issue of the 1869 Pictorial Issue (8) |
| 1875 Reprints of the 1857 Issue (9) |
| 1875 Reproductions of the 1847 Issue (5) |
| 1879 American Bank Note Co. Issue, soft paper (4) |
| 1881-1882 American Bank Note Co. Issue, re-engrave (9) |
| 1887 American Bank Note Co. Issue (10) |
| 1890-1893 Small Bank Notes Issue (13) |
| 1893 Columbian Issue (60) |
| 1894 First Bureau Issue, Unwatermarked (13) |
| 1895 First Bureau Issue, Watermarked (16) |
| 1898 First Bureau Issue, UPU colors (10) |
| 1898 Trans-Mississippi Issue (27) |
| 1901 Pan-American Issue (9) |
| 1902-1908 Second Bureau Issue (28) |
| 1904 Louisiana Purchase Issue (10) |
| 1907 Jamestown Issue (3) |
| 1908-1909 Washington-Franklin Issue, DL wmk, perf (16) |
| 1908-1910 Washington-Franklin Issue, DL wmk, perf (9) |
| 1909 Commemorative Issues (13) |
| 1909 Washington-Franklin Issue, Bluish Paper (3) |
| 1910 Washington-Franklin Issue, SL wmk, imperf (1) |
| 1910-1911 Washington-Franklin Issue, SL wmk, perf (14) |
| 1910-1913 Washington-Franklin Issue, SL wmk, perf (2) |
| 1912 Washington-Franklin Issue, DL wmk, perf 12 (5) |
| 1912 Washington-Franklin Issue, SL wmk, imperf (1) |
| 1912 Washington-Franklin Issue, SL wmk, perf 8½ co (2) |
| 1912-1914 Washington-Franklin Issue, SL wmk, perf (23) |
| 1913-1915 Panama-Pacific Issue (29) |
| 1913-1915 Washington-Franklin Issue, SL wmk, perf (14) |
| 1914 Washington-Franklin Issue, SL wmk, imperf, ro (2) |
| 1914 Washington-Franklin Issue, SL wmk, perf 10 co (3) |
| 1914-1916 Washington-Franklin Issue, SL wmk, perf (8) |
| 1915 Washington-Franklin Issue, SL wmk, perf 11 (3) |
| 1916-1917 Washington-Franklin Issue, flat plate, u (28) |
| 1916-1922 Washington-Franklin Issue, rotary plate, (12) |
| 1917 Washington-Franklin Issue, flat plate, DL wmk (2) |
| 1917-1919 Washington-Franklin Issue, flat plate, u (31) |
| 1918 Washington-Franklin Issue, flat plate, perf 1 (3) |
| 1918-1920 Washington-Franklin Issue, offset, imper (5) |
| 1918-1920 Washington-Franklin Issue, offset, perf (8) |
| 1919 Victory Issue (1) |
| 1919 Washington-Franklin Issue, offset, perf 12½ (2) |
| 1919-1920 Washington-Franklin Issue, rotary coil w (4) |
| 1920 Pilgrim Tercentenary Issue (4) |
| 1920 Washington-Franklin Issue, flat plate, perf 1 (3) |
| 1921 Washington-Franklin Issue, rotary coil waste, (2) |
| 1922-1929 Fourth Bureau Issue (57) |
| 1923 Harding Memorial Issue (2) |
| 1924 Huguenot-Walloon Tercentenary Issue (4) |
| 1925 Lexington-Concord Sesquicentenary Issue (1) |
| 1925-1929 Issues (23) |
| 1929 Kansas-Nebraska Issue (17) |
| 1929-1937 Issues (14) |
| 1938-1954 Presidential Series (6) |
| 1938-Present Issues (45) |
| Airmail (64) |
| Errors, Freaks & Oddities (23) |
| Hunting Permit |
| Duck Stamps (20) |
| Local (1) |
| Newspaper (67) |
| Official (5) |
| Parcel Post (12) |
| Postage Due (16) |
| Postal Note (1) |
| Postal Stationery |
| Envelopes & Wrappers (1) |
| Postmasters’ Provisionals (3) |
| Registration (3) |
| Revenue |
| First to Third Issues (1) |
| Wines (3) |
| Savings |
| Treasury Savings (1) |
| War Savings (2) |
| Special Delivery (24) |
| Special Handling (2) |
| Tax Paid (1) |
| U.S. Postal Agency in China (13) |
| U.S. Registry Exchange Labels (2) |
