| Aversbeschreibung |
The figure of Pedro Nunes on the left holding a book showing the Nonius Principle and the Sphere Treaty, two of his most representative works. Above, on the right, the diagram of the `Loxodromic` curves. The background is dotted and suggests the sense of the universality of knowledge. |
| Aversschrift |
Latin |
| Averslegende |
PEDRO NUNES 15 02 78 José Aurélio |
| Reversbeschreibung |
Identifying elements of the exhibition, the astrolabe, the Council of Europe stars and wind rose. |
| Reversschrift |
Latin |
| Reverslegende |
In a ⭕️: I 8 3 V O B S I L X V I 2 silver hallmarks, one official and another of the mint. |
| Auflage |
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| Numisquare-ID |
6824986830 |
| Anmerkungen |
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