Fenig: Wartime Emergency Coin of Occupational Poland

Illustrated Specimen Details: Regency Kingdom of Poland 20 Fenigów

Example Specimen: 20 Fenigów, 1917 (Regency Kingdom of Poland)

Iconography & Design: Issued under the authority of the German occupation administration during World War I, this wartime iron coin features a highly distinct blend of Polish national symbols and imperial design choices. The obverse displays the denomination 20 FENIGÓW and the state title KRÓLESTWO POLSKIE (Kingdom of Poland), balanced by two five-pointed stars flanking the publication date. The reverse showcases the official coat of arms of the Regency Kingdom of Poland — a stylized crowned white eagle set beneath an additional, overarching crown. This central heraldic emblem is encircled by a ring of 26 five-pointed stars.

Production & Mint Errors: This specific series was manufactured in Germany at the Stuttgart Mint (Staatliche Münze Baden-Württemberg), identifiable by the dual F F mintmarks. A notable characteristic visible on the obverse of this particular specimen is a minor minting defect caused by a cracked stamp (die crack), a frequent occurrence among wartime iron issues due to the hardness of the metal and the rapid pace of industrial military production.

1. REGENCY KINGDOM OF POLAND (German occupation during World War I, 1917-1918): 1 fenig = 1/100 marka

About the name of the coin: The name "fenig" represents a direct Polish phonetic and orthographic adaptation of the German "pfennig". It was introduced strictly as a temporary emergency currency to facilitate retail transactions within Polish territories under the control of the Central Powers. This minor subunit represented the one-hundredth part of the localized Polish mark (marka polska), a currency that circulated across occupied Poland, as well as parts of modern Lithuania and Belarus, during the 1917-1924 period.

The Historical Context of Occupational Currency in WWI Poland

The appearance of the Polish fenig is closely tied to the complex geopolitical engineering of World War I. Following the retreat of Imperial Russian forces from Congress Poland, the German Empire and the Austro-Hungarian Empire established a joint administration over the region, creating the puppet Regency Kingdom of Poland.

Wartime Metallurgy and Iron Coinage

As the war progressed, the economic strain on the Central Powers intensified significantly. Precious metals like silver and copper were strictly rationed and diverted entirely toward the military industrial complex for the manufacture of artillery shells, electrical wiring, and essential machinery. Consequently, minor change for civilian use had to be struck in substitute metals.

Iron became the primary material for regional emergency issues. Because iron is prone to rapid oxidation and is notoriously difficult to strike without damaging the coin dies, these issues frequently display structural anomalies, including die cracks, weak strikes, and advanced surface corrosion. Finding a 1917 iron 20 fenigów specimen with well-preserved design details is a rewarding pursuit for modern collectors.

The Transition to Independence

The fenig system served as a financial bridge during a chaotic transitional period. Initially managed by the General Government of Warsaw, the currency remained in use even after Germany's capitulation in November 1918. When the Second Polish Republic re-established true independent statehood, the new government temporarily maintained the "marka polska" and its fractional fenigi to prevent immediate economic collapse.

This transitional currency system remained active until the sweeping fiscal reforms of 1924, when Poland stabilized its economy, curbed hyperinflation, and introduced the modern, gold-pegged złoty. Today, these iron fenig issues stand as historically significant artifacts, documenting the difficult economic conditions of the Eastern Front and the complex path toward Polish sovereignty.