Description and research notes
The 50 Złotych banknote dated 'Warszawa, 1 Grudnia 1988' represents one of the final circulating issues of the Polish People's Republic before the monetary and political transformations of the early 1990s. Printed by Polska Wytwórnia Papierów Wartościowych in Warsaw for the Narodowy Bank Polski, the denomination formed part of the 1986–1988 modernization of the circulating banknote series.
The obverse presents the portrait of General Karol Świerczewski, a military figure associated with the communist period of Polish history. His portrait is rendered in detailed intaglio engraving and surrounded by a complex network of offset guilloche patterns designed both for aesthetic balance and security. The large open watermark field at left contains the 'Eagle Arms' watermark, a stylized representation of Poland’s national emblem embedded into the paper during manufacture.
Production of the note involved multiple printing stages typical of late twentieth-century security printing at PWPW. A multicolor offset background established the geometric security pattern across the note, followed by intaglio engraving for the portrait and denomination elements. Serial numbers were applied in red ink in a later pass, while the final typographic stage added the date and the printed signatures of the issuing officials.
The HK prefix belongs to one of the later production blocks of the 1988 issue. This example, serial HK0082865, preserves the note in near-perfect state with full paper originality and undisturbed printing layers.
Certified PMG 68 EPQ Superb Gem Uncirculated, the note retains exceptional paper quality, precise centering, and strong embossing from the intaglio printing process. As one of the highest-graded examples of the type, it represents the peak level of preservation attainable for the 1988 50 Złotych issue and provides an archival reference for the technical standards achieved by PWPW during the closing years of the socialist-era Polish currency system.