(19)84 Sig 55 Unissued 20 francs Values
Details
Obverse: French, German, Italian, and Romansch text; quartz crystals; Hornblende beam; geologist, physicist and Alpine traveller Horace-Bénédict de Saussure
Reverse: French, German, Italian, and Romansch text; hair hygrometer; view of Chamonix valley and the Mont Blanc massif; expedition to the Tacul glacier