Portugal
0.38 - 0.46$
price on 07.05.2023
| Country: | Portugal |
| Type: | Postage stamps |
| Series: | Centenary of the Geographical Society of Lisbon |
| Nominal: | 8 $ |
| Year: | 1975 |
| Material: | enamel |
| Perforation: | comb 12 x 12½ |
| Mintage: | 500,000 |
Centenary of the Geographical Society of Lisbon
 Surveying the land 0.11$ |  Surveying the sea 0.38$ |  Globe and people 1.2$ |