Pearl in the Crown (1972)
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.
- Country : Poland
- Genre : Drama, History
- Studio : Zespół Filmowy "Wektor"
- Director : Kazimierz Kutz
- Cast : Lucja Kowolik, Olgierd Łukaszewicz, Jan Englert, Franciszek Pieczka, Jerzy Cnota, Bernard Krawczyk