U.S. Stamps Issues 251-500
- U.S. Postage Stamp Number 372 Used2¢ S.S. Clermont Perf.
- U.S. Postage Stamp Number 462 Used1¢ Washington – green
- U.S. Postage Stamp Number 282 Unused6¢ Garfield – lake
- U.S. Postage Stamp Number 373 Unused2¢ S.S. Clermont Imperforate
- U.S. Postage Stamp Number 463 Unused2¢ Washington – carmine
- U.S. Postage Stamp Number 282 Used6¢ Garfield – lake
- U.S. Postage Stamp Number 373 Used2¢ S.S. Clermont Imperforate
- U.S. Postage Stamp Number 463 Used2¢ Washington – carmine
- U.S. Postage Stamp Number 282C Unused10¢ Webster Type I – brown
- U.S. Postage Stamp Number 464 Used3¢ Washington – violet
- U.S. Postage Stamp Number 282C Used10¢ Webster Type I – brown
- U.S. Postage Stamp Number 465 Unused4¢ Washington – orange Brown
- U.S. Postage Stamp Number 283 Unused10¢ Webster Type II – orange brown
- U.S. Postage Stamp Number 465 Used4¢ Washington – orange Brown
- U.S. Postage Stamp Number 283 Used10¢ Webster Type II – orange brown
- U.S. Postage Stamp Number 466 Unused5¢ Washington – blue
- U.S. Postage Stamp Number 284 Unused15¢ Clay – olive green
- U.S. Postage Stamp Number 466 Used5¢ Washington – blue
- U.S. Postage Stamp Number 284 Used15¢ Clay – olive green
- U.S. Postage Stamp Number 469 Unused7¢ Washington – black
- U.S. Postage Stamp Number 285 Used1¢ Marquette on Mississippi – yellow green
- U.S. Postage Stamp Number 470 Unused8¢ Franklin – olive green
- U.S. Postage Stamp Number 286 Unused2¢ Farming in the West – copper red
- U.S. Postage Stamp Number 471 Unused9¢ Franklin – salmon red
- U.S. Postage Stamp Number 286 Used2¢ Farming in the West – copper red
- U.S. Postage Stamp Number 474 Used12¢ Franklin – claret brown
- U.S. Postage Stamp Number 287 Unused4¢ Indian Hunting Buffalo – orange
- U.S. Postage Stamp Number 475 Unused15¢ Franklin – gray
- U.S. Postage Stamp Number 287 Used4¢ Indian Hunting Buffalo – orange
- U.S. Postage Stamp Number 475 Used15¢ Franklin – gray
- U.S. Postage Stamp Number 288 Unused5¢ Fremont on Rocky Mountains – dull blue
- U.S. Postage Stamp Number 476 Used20¢ Franklin – ultramarine
- U.S. Postage Stamp Number 288 Used5¢ Fremont on Rocky Mountains – dull blue
- U.S. Postage Stamp Number 478 Used$1 Franklin – violet black
- U.S. Postage Stamp Number 289 Used8¢ Troops & Train – violet brown
- U.S. Postage Stamp Number 482 Unused2¢ Washington – carmine
- U.S. Postage Stamp Number 290 Unused10¢ Emigration – gray violet
- U.S. Postage Stamp Number 483 Used3¢ Washington Type I – violet
- U.S. Postage Stamp Number 486 Unused1¢ Washington – green
- U.S. Postage Stamp Number 488 Unused2¢ Washington Type III – carmine
- U.S. Postage Stamp Number 488 Used2¢ Washington Type III – carmine
- U.S. Postage Stamp Number 489 Unused3¢ Washington – violet
- U.S. Postage Stamp Number 489 Used3¢ Washington – violet
- U.S. Postage Stamp Number 490 Used1¢ Washington – green
- U.S. Postage Stamp Number 492 Used2¢ Washington Type III – carmine
- U.S. Postage Stamp Number 493 Unused3¢ Washington Type I – violet
- U.S. Postage Stamp Number 496 Used5¢ Washington – blue
- U.S. Postage Stamp Number 497 Unused10¢ Franklin – orange yellow
- U.S. Postage Stamp Number 497 Used10¢ Franklin – orange yellow
- U.S. Postage Stamp Number 498 Unused1¢ Washington – green