Portugal
0.11 - 0.13$
price on 07.05.2023
2 Centennial Academy of Sciences Lisbon
| Country: | Portugal |
| Type: | Postage stamps |
| Series: | 2 Centennial Academy of Sciences Lisbon |
| Nominal: | 6.50 $ |
| Year: | 1980 |
| Material: | Esmaltado With phosphorescent band |
| Size: | 44 x 27 mm |
| Perforation: | comb 11¾ x 11½ |
| Mintage: | 5,000,000 |
2 Centennial Academy of Sciences Lisbon
 Duke of Braganza and open book 0.11$ |  Uniformed academician, Academy and sextant 0.55$ |