Brunswick's iron notgeld coinage of 1918 was a direct product of wartime metal requisitioning — by that point, copper, nickel, and zinc had been systematically stripped from civilian coinage for military use, and the duchy turned to iron as the only practical substitute. The specific Funck 56.3 variant suggests a die differentiation within the series that collectors have catalogued across multiple reference works, indicating these were produced in distinguishable batches rather than a single undifferentiated run.
Iron coins of this period corrode aggressively in humid storage. Uncleaned survivors with original surface integrity are considerably scarcer than mintage figures suggest.
Brunswick's iron notgeld coinage of 1918 was a direct product of wartime metal requisitioning — by that point, copper, nickel, and zinc had been systematically stripped from civilian coinage for military use, and the duchy turned to iron as the only practical substitute. The specific Funck 56.3 variant suggests a die differentiation within the series that collectors have catalogued across multiple reference works, indicating these were produced in distinguishable batches rather than a single undifferentiated run.
Iron coins of this period corrode aggressively in humid storage. Uncleaned survivors with original surface integrity are considerably scarcer than mintage figures suggest.