U.S Stamps Issues 501-750
U.S. Postage Stamp Number 612 Unused2¢ Harding Perf. 10 Rotary
U.S. Postage Stamp Number 728 Unused1¢ Ft. Dearborn
U.S. Postage Stamp Number 614 Unused1¢ Ship “New Netherlands”- U.S. Postage Stamp Number 728 Used1¢ Ft. Dearborn
- U.S. Postage Stamp Number 614 Used1¢ Ship “New Netherlands”
U.S. Postage Stamp Number 729 Unused3¢ Federal Building
U.S. Postage Stamp Number 615 Unused2¢ Landing at Fort Orange- U.S. Postage Stamp Number 729 Used3¢ Federal Building
U.S. Postage Stamp Number 616 Unused5¢ Monument at Mayport Florida- U.S. Postage Stamp Number 730 Unused1¢ Ft. Dearborn Sheet of 25
- U.S. Postage Stamp Number 616 Used5¢ Monument at Mayport Florida
- U.S. Postage Stamp Number 730a Unused1¢ Ft. Dearborn Single
U.S. Postage Stamp Number 617 Unused1¢ Washington at Cambridge- U.S. Postage Stamp Number 730a Used1¢ Ft. Dearborn Single
- U.S. Postage Stamp Number 617 Used1¢ Washington at Cambridge
U.S. Postage Stamp Number 731 Unused3¢ Federal Building Chicago Sheet of 25
U.S. Postage Stamp Number 618 Unused2¢ Birth of Liberty- U.S. Postage Stamp Number 731a Unused3¢ Federal Building Chicago Single
- U.S. Postage Stamp Number 618 Used2¢ Birth of Liberty
- U.S. Postage Stamp Number 731a Used3¢ Federal Building Chicago Single
U.S. Postage Stamp Number 619 Unused5¢ Minute Man
U.S. Postage Stamp Number 732 Unused3¢ N.R.A.- U.S. Postage Stamp Number 620 Unused2¢ Sloop “Restoration”
U.S. Postage Stamp Number 733 Unused3¢ Byrd Expedition
U.S. Postage Stamp Number 621 Unused5¢ Viking Ship- U.S. Postage Stamp Number 733 Used3¢ Byrd Expedition
- U.S. Postage Stamp Number 621 Used5¢ Viking Ship
U.S. Postage Stamp Number 734 Unused5¢ Kosciuszko
U.S. Postage Stamp Number 622 Unused13¢ Harrison (1926) – green- U.S. Postage Stamp Number 734 Used5¢ Kosciuszko
- U.S. Postage Stamp Number 622 Used13¢ Harrison (1926) – green
U.S. Postage Stamp Number 735 Used3¢ Byrd Sheet of 6
U.S. Postage Stamp Number 623 Unused17¢ Wilson – black- U.S. Postage Stamp Number 735a Unused3¢ Byrd Single
- U.S. Postage Stamp Number 623 Used17¢ Wilson – black
- U.S. Postage Stamp Number 735a Used3¢ Byrd Single
U.S. Postage Stamp Number 627 Unused2¢ Liberty Bell Sesquicentennial
U.S. Postage Stamp Number 736 Unused3¢ Maryland
U.S. Postage Stamp Number 628 Unused5¢ John Ericsson Statue Memorial- U.S. Postage Stamp Number 736 Used3¢ Maryland
- U.S. Postage Stamp Number 501 Used3¢ Washington Type I – violet
- U.S. Postage Stamp Number 628 Used5¢ John Ericsson Statue Memorial
U.S. Postage Stamp Number 737 Unused3¢ deep violet- U.S. Postage Stamp Number 502 Unused3¢ Washington Type II – violet
U.S. Postage Stamp Number 629 Unused2¢ White Plains Hamilton's Battery
U.S. Postage Stamp Number 738 Unused3¢ Mother's Day- U.S. Postage Stamp Number 503 Unused4¢ Washington – brown
- U.S. Postage Stamp Number 630 UnusedSame Philatelic Exhibition Sheet of 25
- U.S. Postage Stamp Number 738 Used3¢ Mother's Day
- U.S. Postage Stamp Number 503 Used4¢ Washington – brown