Portugal
0.81 - 0.97$
price on 07.05.2023
Nautical Instruments of Discovery
| Country: | Portugal |
| Type: | Postage stamps |
| Series: | Nautical Instruments of Discovery |
| Nominal: | 90 $ |
| Year: | 1993 |
| Material: | Esmalte |
| Perforation: | 12 x 12½ |
| Mintage: | 500,000 |
Nautical Instruments of Discovery
 Sand Clock 0.23$ |  Nocturlabio 0.36$ |  Kamal 0.81$ |  Back-Staff 2$ |
 Cross staff 0.24$ |  Quadrant |  Astrolabe 0.47$ |  Compass 3.3$ |