| United States |
| 1847 10¢ Issues (20) |
| 1847 5¢ Issues (25) |
| 1847 Issue (13) |
| 1851 1¢-5¢ Issues (25) |
| 1851 10¢-12¢ Issues (19) |
| 1851 Issue (13) |
| 1857 1¢-5¢ Issues (38) |
| 1857 10¢-90¢ Issues (37) |
| 1857 Issue (21) |
| 1861 1¢-12¢ Issues (27) |
| 1861 24¢-90¢ Issues (22) |
| 1861 First Designs (3) |
| 1861-1866 Issue (35) |
| 1862-66 2¢-24¢ Issues (23) |
| 1867 Grilled Issues (41) |
| 1869 1¢-12¢ Pictorial Issues (25) |
| 1869 15¢-90¢ Pictorial Issues (19) |
| 1869 Pictorial Issue (21) |
| 1870-1871 National Bank Note Co. Issue, Grilled (5) |
| 1870-1871 National Bank Note Co. Issue, Without Gr (12) |
| 1870-1888 Bank Note Issues (13) |
| 1873-1875 Continental Bank Note Co. Issue (11) |
| 1875 & 1880 Re-issues of the 1869 Pictorial Issue (8) |
| 1875 Re-issue of the 1861-1866 Issues (3) |
| 1875 Reprints of the 1857 Issue (1) |
| 1875 Reproductions of the 1847 Issue (2) |
| 1879 American Bank Note Co. Issue (8) |
| 1880 "Soft Paper" Special Printings (3) |
| 1881-1888 American Bank Note Co. Issues (19) |
| 1890 Issue (9) |
| 1893 $3-$5 Columbian Issues (32) |
| 1893 1¢-$2 Columbian Issues (32) |
| 1894 Issue (12) |
| 1895 Issue, Watermarked (9) |
| 1898 Trans-Mississippi Issue (18) |
| 1901 Pan-American Issue (9) |
| 1902-1908 Regular Issues (19) |
| 1902-1911 King Edward VII Issues (4) |
| 1909 Bluish Paper Issue (14) |
| 1912-1914 Washington-Franklin Issue, SL Watermark, (5) |
| 1912-1934 King George V Issues (6) |
| 1913-1915 Panama-Pacific Issue (5) |
| 1914-1915 Washington-Franklin Issue, SL Watermark, (10) |
| 1916-1919 Washington-Franklin Issue, Unwatermarked (4) |
| 1917-1919 Washington-Franklin Issue, Perf. 11 (5) |
| 1918-1923 Issues (9) |
| 1922-1925 Regular Issue (6) |
| 1928-1992 Issues (15) |
| 20th Century Issues (12) |
| Advertising and Illustrated - Alcohol to Buildings (23) |
| Advertising and Illustrated - Cameo to Novelties (24) |
| Advertising and Illustrated - Phonography to Trans (14) |
| Airmail Issues (31) |
| Back of the Book (1) |
| California Postal History |
| California Towns - Camptonville to Roberts Landing (6) |
| Early California Postal History (2) |
| Sacramento & San Francisco (12) |
| Sweetland to Woodside (2) |
| The John Drew Collection of Santa Cruz County (15) |
| Canadian Provinces (2) |
| Canal Zone & Cuba (9) |
| Carriers (6) |
| Civil War Postal History (19) |
| Duck Stamps (5) |
| Eastern Express Covers (6) |
| Exposition Covers (13) |
| Fancy & Machine Cancels (25) |
| Foreign Mail - 1810-1870 Usages (35) |
| Foreign Mail - Balances (10) |
| Foreign Mail - The Hale Correspondence (4) |
| Free Franks & Autographs (9) |
| German Area (17) |
| German States (2) |
| Hand Illustrated Covers (7) |
| Hawaii - Postal History (18) |
| Hawaii - Postal Stationery (7) |
| Hawaii - Regular Issues (22) |
| Italian States (4) |
| Locals (7) |
| Lots and Collections (91) |
| Military & War-Related - 1846-1848 Mexican-America (14) |
| Military & War-Related - Forts & Misc. (15) |
| Monterey - Early Documents & Letters (17) |
| Monterey - Express Usages & Balance (7) |
| Monterey - Postal Usages (12) |
| Newspaper Stamps (19) |
| Ocean & Waterway Covers (13) |
| Offices in China (26) |
| Official Seals (3) |
| Officials (14) |
| Officials & Official Seal (7) |
| Parcel Post to Sanitary Fair (8) |
| Patriotic Covers (11) |
| Philatelic Literature (3) |
| Pioneer Steamships (3) |
| Pony Express (2) |
| Post-1870 Cancels (45) |
| Postage Due (18) |
| Postal Stationery (10) |
| Postmasters' Provisionals (7) |
| Pre-1870 Cancels (4) |
| Prisoner of War Covers, Northern Prisons (1) |
| Provisionals - Confederacy (5¢-10¢) (2) |
| Railroad Covers (11) |
| Registered Covers (46) |
| Regular Issues (12) |
| Revenue - Distilled Spirits Excise & Rectification (4) |
| Revenue - Documentary (11) |
| Revenue - First Issues (2) |
| Revenue - Private Die Match & Medicine (3) |
| Revenue - Proprietary (3) |
| Revenue - Silver Tax (2) |
| Revenue - Stock Transfer (8) |
| Rough & Ready - Balance Lots (9) |
| Rough & Ready - Documents & Letters (10) |
| Rough & Ready - Express Usages (5) |
| Rough & Ready - Illustrated Miner's Covers & P (16) |
| San Jose - Early Documents & Letters (6) |
| San Jose - Express Usages & Balance (10) |
| San Jose - Postal Usages (11) |
| Semi-Official Covers (2) |
| Slavery Related (9) |
| Special Delivery (2) |
| Special Delivery & Registry (11) |
| Specialized Collection of Olympics (12) |
| State Postmarks - Alabama to District of Columbia (8) |
| State Postmarks - Florida Balances (2) |
| State Postmarks - Florida Camps & Forts (5) |
| State Postmarks - Florida: Apalachicola to Port Le (22) |
| State Postmarks - Florida: Quincy to Woodstock Mil (24) |
| State Postmarks - Georgia to Illinois (16) |
| State Postmarks - Indian Territory to Ohio (19) |
| State Postmarks - Oregon (16) |
| State Postmarks - Pennsylvania to Wisconsin (10) |
| Test Stamps (2) |
| The Lawrence Block Worldwide Collection (50) |
| The Marshall Bartlett Collection Balances (49) |
| United States Cover Collections |
| Advertising/Illustrated Covers (18) |
| Airmail Postal History (8) |
| Back of the Book (5) |
| California Postal History (13) |
| Civil War Postal History (3) |
| General Postal History (40) |
| Military/War-Related Covers (3) |
| State/Provincial Postmarks (10) |
| Western Express Covers (5) |
| Wallpaper, Adversity & Patriotic Covers (5) |
| Wells Fargo & Company (13) |
| Western Express Covers (20) |
| Western Routes & Forwarders (7) |
| Worldwide Airmail Collections (2) |
| Worldwide Collections (28) |