Switzerland, 1824: Refined Platinum, Zurich

"Modest price" from Zurich watchmaker, 1824?  (Cheaper than a Chinatown Rolex.)   Almost certainly, "platine pur" = platina grains.  

1824: 1 Troy Ounce Platina = Fr. 5.80  (USD$ 1.09)

Citation: Revue encyclopédique: liberté, égalité, association, Volume 22 By Marc-Antoine Jullien, Auguste Jullien, Hippolyte Carnot, (1824) p.227