| United States |
| 1847 Issue (12) |
| 1851 Issue (22) |
| 1857 Issue (43) |
| 1861 Premiere Gravures (5) |
| 1861-1866 Issue (37) |
| 1867 Grilled Issue (34) |
| 1869 Pictorial Issue (23) |
| 1870-1871 National Bank Note Co. Issue, H Grill (1) |
| 1870-1871 National Bank Note Co. Issue, I Grill (14) |
| 1870-1871 National Bank Note Co. Issue, without gr (7) |
| 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 (11) |
| 1875 Re-issue of the 1869 Pictorial Issue (16) |
| 1875 Re-issue of the 1869 Pictorial Issue (123-133 (1) |
| 1875 Reprints of the 1857 Issue (7) |
| 1875 Reproductions of the 1847 Issue (2) |
| 1875 Special Printing of the 1873 Continental Issu (2) |
| 1879 American Bank Note Co. Issue, soft paper (8) |
| 1880-1882 Special Printings of the 1879 & 1882 ABN (3) |
| 1881-1882 American Bank Note Co. Issue, re-engrave (8) |
| 1881-1888 American Bank Note Co. Issues (205-211) (1) |
| 1883-1885 Special Printing of the 1881-1882 ABNC I (2) |
| 1887 American Bank Note Co. Issue (8) |
| 1890-1893 Small Bank Notes Issue (9) |
| 1893 Columbian Issue (24) |
| 1894 First Bureau Issue, Unwatermarked (21) |
| 1895 First Bureau Issue, Watermarked (18) |
| 1898 First Bureau Issue, UPU colors (5) |
| 1898 Trans-Mississippi Issue (11) |
| 1901 Pan-American Issue (8) |
| 1902-1908 Second Bureau Issue (25) |
| 1902-1908 Second Bureau Issues (300-322) (1) |
| 1904 Louisiana Purchase Issue (3) |
| 1907 Jamestown Issue (1) |
| 1908-1909 Washington-Franklin Issue, DL wmk, perf (7) |
| 1908-1910 Washington-Franklin Issue, DL wmk, perf (5) |
| 1909 Commemorative Issues (1) |
| 1909 Washington-Franklin Issue, Bluish Paper (10) |
| 1910-1911 Washington-Franklin Issue, SL wmk, perf (10) |
| 1910-1913 Washington-Franklin Issue, SL wmk, perf (4) |
| 1912 Washington-Franklin Issue, DL wmk, perf 12 (1) |
| 1912-1914 Washington-Franklin Issue, SL Watermark, (6) |
| 1912-1914 Washington-Franklin Issue, SL wmk, perf (2) |
| 1913-1915 Panama-Pacific Issue (6) |
| 1913-1915 Washington-Franklin Issue, SL wmk, perf (7) |
| 1914 Washington-Franklin Issue, SL wmk, imperf, ro (2) |
| 1914 Washington-Franklin Issue, SL wmk, perf 10 co (3) |
| 1914-1915 Washington-Franklin Issue, SL Watermark, (3) |
| 1914-1916 Washington-Franklin Issue, SL wmk, perf (5) |
| 1916-1917 Washington-Franklin Issue, flat plate, u (15) |
| 1916-1919 Washington-Franklin Issue, Unwatermarked (1) |
| 1916-1922 Washington-Franklin Issue, rotary plate, (3) |
| 1917 Washington-Franklin Issue, flat plate, DL wmk (1) |
| 1917-1919 Washington-Franklin Issue, flat plate, u (5) |
| 1917-1919 Washington-Franklin Issue, Perf. 11 (498 (2) |
| 1918 Washington-Franklin Issue, flat plate, perf 1 (3) |
| 1918-1920 Washington-Franklin Issue, offset, imper (4) |
| 1918-1920 Washington-Franklin Issue, offset, perf (1) |
| 1918-1920 Washington-Franklin Offset Issues (525-5 (1) |
| 1919-1920 Washington-Franklin Issue, rotary coil w (2) |
| 1919-1921 Issues (537-550) (1) |
| 1920 Pilgrim Tercentenary Issue (1) |
| 1920 Washington-Franklin Issue, flat plate, perf 1 (2) |
| 1921 Washington-Franklin Issue, rotary coil waste, (1) |
| 1922 Washington-Franklin Issue, rotary sheet waste (1) |
| 1922-1925 Fourth Bureau Issue (551-573) (1) |
| 1922-1929 Fourth Bureau Issue (9) |
| 1923-Present Issues (575-) (6) |
| 1925-1929 Issues (5) |
| 1929 Kansas-Nebraska Issue (5) |
| 1929-1937 Issues (1) |
| Accumulations (1) |
| Airmail (4) |
| Airmail (C) (1) |
| Airmail Semi-Official (1) |
| Airmail Special Delivery (1) |
| Face Value Lots (1) |
| General Collections (4) |
| Hunting Permit |
| Junior Duck Stamps (5) |
| Local (6) |
| Locals (L) (2) |
| Newspaper (46) |
| Newspaper Stamps (PR) (8) |
| Offices in China (K) (2) |
| Official (55) |
| Officials (O) (4) |
| Parcel Post (5) |
| Parcel Post (Q) (2) |
| Postage Due (43) |
| Postage Due (J) (7) |
| Postmasters' Provisionals (1) |
| Postmasters’ Provisionals (25) |
| Registration (1) |
| Revenue (175) |
| Beer (1) |
| Consular Service Fee (2) |
| Customs Fees (2) |
| Distilled Spirits Excise Tax (4) |
| Firearms Transfer Tax (1) |
| Marihuana Tax (7) |
| Motor Vehicle Use (4) |
| Narcotic Tax (11) |
| Potato Tax (1) |
| Private Die Medicine (16) |
| Proprietary (22) |
| Rectification Tax (1) |
| Silver Tax (39) |
| Stock Transfer (80) |
| Trailer Permit Stamps (1) |
| Wines (21) |
| Revenue - Documentary (R) (6) |
| Revenue - Narcotic Tax (RJA) (6) |
| Revenue - Potato Tax (RI) (1) |
| Revenue - Proprietary (RB) (3) |
| Revenue - Silver Tax (RG) (1) |
| Revenue - Stock Transfer (RD) (10) |
| Revenue - Wines (RE) (1) |
| Revenue (R) (4) |
| Sanitary Fair (2) |
| Sanitary Fair (WV) (1) |
| Savings |
| War Savings (1) |
| Special Delivery (13) |
| Special Delivery (E) (1) |
| Special Handling (1) |
| Telegraph Stamp (T) (1) |
| U.S. Postal Agency in China (5) |
