100 000 000 000 Mark

Unna issued this note in the autumn of 1923, when the Reichsmark's collapse was moving faster than central supply could follow. The joint authority — municipal Magistrat combined with the rural Amt of Unna-Kamen — reflects the administrative scramble of that moment: towns were pooling resources and issuing authority simply to keep wages payable. G. Hornung was a local commercial printer, not a banknote specialist, pressed into producing emergency currency at a denomination that would have been unthinkable twelve months earlier.

Three signatures — Müller, Brieger, and Lehmhaus — were required to validate issue, an attempt at accountability in a system rapidly losing any.