25 Pfennigs

Heydekrug was a small Lithuanian-Memel border town caught in administrative limbo in 1921 — the Memel Territory had been detached from Germany under the Versailles Treaty in 1920 and placed under French administration, but final sovereignty wasn't settled until Lithuania seized it by force in January 1923. This Gemeinde-issued notgeld sits squarely in that interregnum, a German municipality printing emergency small change in Berlin while its own political future remained unresolved.

The watermark security feature is unusually deliberate for municipal notgeld of this denomination, suggesting either cautious local administration or a standard Erasmusdruck production template applied regardless of issue size.