U.S Stamps Issues 501-750
- U.S. Postage Stamp Number 659 Unused1½ ¢ Harding – brown
- U.S. Postage Stamp Number 660 Unused2¢ Washington – carmine
- U.S. Postage Stamp Number 660 Used2¢ Washington – carmine
- U.S. Postage Stamp Number 662 Unused4¢ Martha Washington – yellow brown
- U.S. Postage Stamp Number 664 Unused6¢ Garfield – red orange
- U.S. Postage Stamp Number 665 Unused7¢ McKinley – black
- U.S. Postage Stamp Number 665 Used7¢ McKinley – black
- U.S. Postage Stamp Number 666 Unused8¢ Grant – olive green
- U.S. Postage Stamp Number 666 Used8¢ Grant – olive green
- U.S. Postage Stamp Number 667 Unused9¢ Jefferson – light rose
- U.S. Postage Stamp Number 668 Unused10¢ Monroe – orange yellow
- U.S. Postage Stamp Number 671 Unused2¢ Washington – carmine
- U.S. Postage Stamp Number 671 Used2¢ Washington – carmine
- U.S. Postage Stamp Number 672 Unused3¢ Lincoln – violet
- U.S. Postage Stamp Number 673 Unused4¢ Martha Washington – yellow brown
- U.S. Postage Stamp Number 674 Used5¢ Roosevelt – deep blue
- U.S. Postage Stamp Number 675 Unused6¢ Garfield – red orange
- U.S. Postage Stamp Number 680 Unused2¢ Fallen Timber
- U.S. Postage Stamp Number 680 Used2¢ Fallen Timber
- U.S. Postage Stamp Number 681 Unused2¢ Ohio River Canal
- U.S. Postage Stamp Number 681 Used2¢ Ohio River Canal