Argentina
Pharmacist, chemist, University Professor
| Country: | Argentina |
| Type: | Postage stamps |
| Series: | Men of Science |
| Nominal: | 6 m$n |
| Year: | 1969 |
| Size: | 27 x 37 mm |
| Perforation: | comb 13½ |
| Mintage: | 600,000 |
