A rare specimen of the General Government of Warsaw, series I with an incorrect "Jeneral-Government" clause.
Double-sided printing with diagonal red Muster print on both sides. Serial number A • 0000000.
Visible discoloration of the paper on the front side resulted from long-term exposure to sunlight.
Spcimens of Polish marks issued under the management of the General Government of Warsaw are the rarest and most difficult to complete issue among all Poland-related specimens of the 20th century.
