1) Unit of mass 
Skojec was a medieval central European unit of account as well as a unit of mass. It was also used as a unit of currency. 1 skojec was equal to 1/24 of a grzywna. 1 skojec = 30 pfennigs 1 wiardunek = 6 skojecs 1 skojec = 2 groschen The etymology of the word skojec derives from the word skot which in old Polish described cattle; cattle were used as...