Watch List notes:

Swiss Confederation, 1848-

1 Franc 1851. Billon pattern (essai). Obv. 1 Franc (French Cérès type of 1849) by E. A. Oudiné. Rev. MONNAIE SUISSE * ESSAI* 1851. Divo -. BI 3.60 g. R

UNC
Alloy composition 70% Copper, 12% Nickel, 9% Zinc, 9% Silver.