Switzerland - Swiss Confederation - 1 Franc - 1986 - Weight 4,4 gr - Copper / Nickel - Size 23,2 mm - Thickness 1,55 mm - Alignment : Medal (0°) - President / Alphons Egli (1986) - Mint mark B=Bern - Designer / Antoine Bovy & Albert Walch - Edge : Milled - Mintage 17 997 000 - Reference KM# 24a.3 (1983-)