Edvard Sostaric

Edvard Šoštarič was a Yugoslav football referee from Slovenia. Before getting into refereeing, Šoštarič played at lower-level clubs in his hometown of Maribor, at Železničar and later Branik, and also had a stint abroad in the early 1960s at SC Eisenstadt in neighboring Austria. After retiring from playing he returned to Yugoslavia and passed his refereeing exam in 1964. Wikipedia