Type dated 1408-1410, characterized by the absence of additional mint marks, a straight crown and Classical A letters (instead of Gothic).
Nice.

format_quoteJadwiga Zakrzewska-Kleczkowska (1910-1985).One of the few women who made a lasting mark in the history of Polish numismatics. Daughter of renowned numismatist-medievalist Prof. Zygmunt Zakrzewski.
From an early age she shared her father's numismatic interests. Later, she independently continued the family numismatic traditions, participated in the work of numismatic societies in the country and abroad, in particular, active in the circle of Polish and Czechoslovak numismatistsformat_quote