(19)83 Sig 53 Unissued 10 francs Values
Details
Obverse: French, German, Italian, and Romansch text; development of the polyhedron; the Königsberg bridges; mathematician, physicist, astronomer, logician and engineer Leonhard Euler
Reverse: French, German, Italian, and Romansch text; gamma function; table for the calculation of numbers; diagram of the solar system