A very interesting family heirloom that has made its mark in the history of research on medieval Polish coins. It comes from the collection of Zygmunt Zakrzewski or his daughter Jadwiga Zakrzewska-Kleczkowska (more information here).
A set of 8 Prague groszy clipped during their era (typical for circulation in Rus), additionally clipped for testing, with an assayer’s envelope and a slip of paper with the results.
