100 000 Mark

Kaiserslautern's municipal administration issued this note during the hyperinflationary peak of 1923, when the Reichsbank's supply chains had completely collapsed and local authorities across Germany were forced to print their own emergency currency — Notgeld — just to keep commerce functioning. The 100,000 Mark denomination, staggering by any prewar measure, was already losing purchasing power within days of issue.

The embossed stamp served as the primary authenticity control, a low-tech solution that reflected both the urgency of production and the limited resources of a mid-sized Palatinate city. The Saarland border location added pressure: French occupation of the Ruhr that year disrupted supply networks throughout the region.