Forgery to the detriment of the collector - converted two-letter series to one-letter S.
Piece with correct visual presence, in clearly circulated condition.
Banknote designed by Waclaw Borowski, watermark - in an unprinted field profile of a woman's head.
Banknote introduced into circulation on October 30, 1950, printed by PWPW, NBP was responsible for the issue.
