Percy Lavon Julian (1899-1975), Chemist
60%
| Country: | United States of America |
|---|---|
| Issue: | Black Heritage Series |
| Date: | 1993-01-29 |
| Print: | Offset and Lithography |
| Perforation: | 11 |
| Emission: | Commemorative |
| Format: | Stamp |
| Face Value: | 29 United States cent |
| Print run: | 105 |