| United States |
| 1847 Issue (5) |
| 1851 Issue (7) |
| 1857 Issue (10) |
| 1861-1866 Issue (15) |
| 1867 Grilled Issue (6) |
| 1869 Pictorial Issue (11) |
| 1870-1871 National Bank Note Co. Issue, H Grill (1) |
| 1870-1871 National Bank Note Co. Issue, without gr (3) |
| 1873 Continental Bank Note Co. Issue, white wove (7) |
| 1875 Continental Bank Note Co. Issue, yellowish wo (1) |
| 1875 Re-issue of the 1869 Pictorial Issue (1) |
| 1879 American Bank Note Co. Issue, soft paper (1) |
| 1881-1882 American Bank Note Co. Issue, re-engrave (2) |
| 1887 American Bank Note Co. Issue (2) |
| 1890-1893 Small Bank Notes Issue (6) |
| 1893 Columbian Issue (12) |
| 1894 First Bureau Issue, Unwatermarked (2) |
| 1898 First Bureau Issue, UPU colors (2) |
| 1898 Trans-Mississippi Issue (11) |
| 1901 Pan-American Issue (2) |
| 1902-1908 Second Bureau Issue (4) |
| 1904 Louisiana Purchase Issue (1) |
| 1907 Jamestown Issue (2) |
| 1908-1909 Washington-Franklin Issue, DL wmk, perf (2) |
| 1909 Commemorative Issues (1) |
| 1909 Washington-Franklin Issue, Bluish Paper (1) |
| 1910-1911 Washington-Franklin Issue, SL wmk, perf (2) |
| 1912-1914 Washington-Franklin Issue, SL wmk, perf (3) |
| 1913-1915 Panama-Pacific Issue (2) |
| 1913-1915 Washington-Franklin Issue, SL wmk, perf (1) |
| 1914-1916 Washington-Franklin Issue, SL wmk, perf (1) |
| 1916-1917 Washington-Franklin Issue, flat plate, u (3) |
| 1917-1919 Washington-Franklin Issue, flat plate, u (4) |
| 1918 Washington-Franklin Issue, flat plate, perf 1 (2) |
| 1918-1920 Washington-Franklin Issue, offset, imper (2) |
| 1919 Victory Issue (1) |
| 1919-1920 Washington-Franklin Issue, rotary coil w (2) |
| 1921 Washington-Franklin Issue, rotary coil waste, (2) |
| 1922-1929 Fourth Bureau Issue (7) |
| 1925-1929 Issues (5) |
| 1929 Kansas-Nebraska Issue (3) |
| 1929-1937 Issues (8) |
| 1938-1954 Presidential Series (5) |
| 1938-Present Issues (28) |
| Accumulations (1) |
| Airmail (11) |
| Errors, Freaks & Oddities (3) |
| Essays, Trial Colors & Proofs (1) |
| Exhibition Collections (1) |
| General Collections (2) |
| Hunting Permit |
| Duck Stamps (9) |
| Junior Duck Stamps (1) |
| Local (9) |
| Miscellaneous Back-of-the-Book (2) |
| Newspaper (3) |
| Official (4) |
| Parcel Post (3) |
| Postage Due (3) |
| Postal History Collections (6) |
| Postal Stationery (1) |
| Envelopes & Wrappers (7) |
| Postal Cards (3) |
| Revenue |
| First to Third Issues (1) |
| Narcotic Tax (3) |
| Private Die Medicine (2) |
| Silver Tax (5) |
| Stock Transfer (1) |
| Wines (2) |
| Special Delivery (1) |
| Telegraph (1) |
| Test Stamps (2) |
| Topical Collections (2) |
| Vending & Affixing Machine Perforations (3) |
