1917 AD., Poland, German Occupation, Stuttgart mint, 5 Fenigów, KM Y 5.

Poland, German Occupation for the intended Kingdom of Poland, Stuttgart mint (F, Germany), 1917 AD.,
5 Fenigów (18 mm / 2,50 g), iron, 2,53 g. theor. mint weight, mintage 18.700.000 , axes medal alignment ↑↑ (0°), plain edge,
Obv.: F - F , crowned eagle, wings open, mint marks below, all surrounded by five-pointed stars.
Rev.: KROLESTWO POLSKIE / 5 / FENIGÓW / 1917 , ("Kingdom of Poland") country, value and date.
Jaeger 605 ; KM Y 5 ; Parchimowicz 5a .

Year / Mint Mark / Mintage
1917 FF 18,700,000
1917 FF ? (proof issue)
1918 FF 22,690,000
1918 FF ? (proof issue)