Stamps, 50c denom
1 to 50 of 949
United States
postage1893 Columbian issue unwmk p. 12
| X | 50c | slbl | recall of Columbus |
1894 1894 issue
| X | 50c | org | Thomas Jefferson |
1895 1895 issue wmk. double line USPS
| X | 50c | org | Thomas Jefferson |
1898, Jun 17 Trans-Mississippi issue
| X | 50c | sagegrn | Western Mining Prospector |
1902, Nov 18 1902 issue
| X | 50c | org | Thomas Jefferson | 100 – 1,000 | 10.–100 |
1908, Nov 16 1908 issue
| X | 50c | vio | Washington |
1912 1912e issue wmk. single line USPS
| X | 50c | vio | Franklin |
1912, Feb 12 1912f issue wmk. double line USPS
| - | 50c | vio | Franklin |
1914 1914a issue wmk. single line USPS p. 10
| X | 50c | vio | Franklin |
1916 1916a issue flat plate print unwmk
| X | 50c | vio | Franklin |
1917 1917 issue flat plate print p. 11
| X | 50c | vio | Franklin |
1922, Oct 4 1922 issue flat plate print
| X | 50c | lil | Arlington amphitheatre |
1931, Jul 25 1931 issue rotary press print p. 10.5x11
| X | 50c | lil | Arlington amphitheatre | .20 | .20 |
1938, Apr 25 Presidential issue p. 11x10.5
| X | 50c | ltredvio | William Howard Taft |
1954, Apr 9 Liberty issue
| X | 50c | brtpur | Susan B. Anthony |
1965, Nov 19 Prominent Americans issue
| X | 50c | rosemag | Lucy Stone |
1975, Nov 13 Americana issue p. 11
| X | 50c | multi | Betty Lamp |
1980, Nov Great Americans issue (no perf info)
| X | 50c | brn | Chester Nimitz |
1991, Feb 22 Switzerland 700th issue p. 11
| X | 50c | multi | Swiss Parliament & US Capitol |
1992, May 22 Columbus discovery 500th issue p. 10.5
| X | 50c | slbl | recall of Columbus 1992 |
1994, May 26 World Cup Soccer 1994 issue p. 11
| - | 50c | multi | Header |
1994, Jul 1 Rockwell Freedoms
| - | 50c | multi | Rockwell Painting Freedom from Want | |||
| - | 50c | multi | Rockwell Painting Freedom from Fear | |||
| - | 50c | multi | Freedom of Speech, by Norman Rockwell | |||
| - | 50c | multi | Rockwell Painting Freedom of Worship |
1996, Mar 9
| X | 50c | multi | Jacqueline Cochran |
1996, Nov 1 cycling 1996 issue
| - | 50c | multi | ||||
| - | 50c | multi |
1997, Mar 23 Pacific 97 issue p. 10.5
| X | 50c | multi | Franklin |
1998, Jun 18 Trans-Mississippi stamps 100th issue p. 12x12.5
| X | 50c | multi |
airmail
1933, Oct 2 p. 11
| X | 50c | grn | baby zeppelin |
1937, Feb 15
| X | 50c | car | China Clipper over Pacific |
1941, Jun 25 1941 air issue p. 11x10.5
| X | 50c | org | twin-motor transport plane |
1991, Apr 27 Harriet Quimby issue (no perf info)
| - | 50c | multi | Harriet Quimby & Bleriot plane |
1991, Jun 21 Antarctic Treaty 30th issue p. 11
| - | 50c | multi |
1991, Oct 12
| - | 50c | multi | Bering Land Bridge |
newspaper
1895 1895 newspaper b issue wmk. double line USPS p. 12
| X | 50c | car | Justice | — | — |
1895, Feb 1 1895 newspaper a issue unwmk
| - | 50c | car | Justice | — | — |
parcel post
1912 parcel post issue
| X | 50c | carrose | dairying |
postage due
1879 1879 due issue
| X | 50c | brn | numeral in oval |
1879 1879 due special printing issue (no perf info)
| - | 50c | dpbrn | numeral in oval | — | — |
1884 p. 12
| - | 50c | redbrn | numeral in oval |
1891
| - | 50c | brtcl | numeral in oval |
1894 1894b issue (no perf info)
| - | 50c | dpcl | numeral in diamond |
1895 wmk. double line USPS p. 12
| - | 50c | dpcl | numeral in diamond |
1910 wmk. single line USPS
| - | 50c | numeral in diamond |
1914 p. 10
| - | 50c | carlake | numeral in diamond | — | — |
1917 unwmk p. 11
| - | 50c | carrose | numeral in diamond |
1930
| - | 50c | car | numeral under arch |
1931 p. 11x10.5
| X | 50c | dlcar | numeral under arch | — | — |
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