Kasa Stefczyka - a form of credit cooperatives in Poland, especially in the Austrian partition, created using the model of Raiffeisen credit unions. Their founder was cooperative activist Franciszek Stefczyk, who in 1890 opened the first cooperative in Czernichów. In 1913, there were 1,397 Stefczyk's union branches with around 322,000 members in Galicia. One and a half million people belonged to Stefczyk's credit union in the interwar period, with the number of branches reaching 3,500.
https://www.kasastefczyka.pl/ua
