Pearl in the Crown
When it is discovered that the Zygmunt mine in Upper Silesia has been deemed unprofitable and is to be closed by flooding, the miners go on strike and a violent demonstration ensues.
- Genre: Drama, History
- Studio: Zespół Filmowy "Wektor"
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- Cast: Lucja Kowolik, Olgierd Łukaszewicz, Jan Englert, Franciszek Pieczka, Jerzy Cnota, Bernard Krawczyk