The Poland 50 Zlotych banknote was issued by the National Bank of Poland in 1988. It comes in green with hints of tan. Featured on its obverse is the coat of arms that depicts an eagle. It also shows a picture of General Karol Waclaw Swierczewski wearing a military uniform. The reverse displays the Cross of Grunwald military decoration with two swords and a shield. The banknote is 138 x 63 mm in size and bears a watermark that reflects an eagle. This particular paper bill comes in uncirculated condition and has a radar serial number. Additionally, it has been TAP authenticated with a grade of 60 to 70.