Angster

The Angster was a small fractional denomination that emerged in the Swiss Confederation during the late 14th century as urban economies demanded coinage below the level of the Rappen. Bern's right to strike its own silver coinage derived from imperial privilege, and the city exercised that right aggressively as it expanded its territorial control across the Mittelland in precisely these decades.

At 0.28 g, these pieces were among the lightest silver coins in regular circulation anywhere in medieval Europe, and surviving examples with any surface integrity are genuinely scarce.