1851-A, Switzerland (Confederation). Bronze 2 Rappen CoinMint Years: 1851 Reference: KM-19. Denomination: 2 Rappen Diameter: 20mm Material: BronzeWeight: 2.5gm Switzerland (die Schweiz, Suisse, Svizzera), in its full name the Swiss Confederation (Latin: Confoederatio Helvetica, hence its abbreviation CH), is a federal republic consisting of 26 cantons, with Bern as the seat of ...