Joseph Priestley (1733-1804), Discoverer of Oxygen
56%
| Country: | United States of America |
|---|---|
| Issue: | Joseph Priestley |
| Date: | 1983-04-13 |
| Print: | Photogravure |
| Perforation: | 11 |
| Emission: | Commemorative |
| Format: | Stamp |
| Face Value: | 20 United States cent |
| Print run: | 165000000 |