50 Pfennig

Bitterfeld's 1921 Notgeld issue arrived at the peak of Germany's postwar small-change crisis, when municipal and corporate bodies across the Reich were printing their own emergency fractional currency because Reichsbank coin simply wasn't circulating. The city leaned on a local designer — H. Schiebel — rather than one of the major Notgeld printing houses, which was common enough among smaller municipalities trying to cut costs.

Bitterfeld was already a significant industrial chemical center by this date, dominated by the electrochemical and lignite-processing industries that would define the region for the rest of the century. Whether that industrial identity influenced Schiebel's design choices is recorded nowhere I can confirm with certainty.

Collector demand for Bitterfeld Notgeld is modest — the series was neither scarce in issue nor particularly unusual in denomination.