SERBIA. Stefan Uros IV Dusan, as Tsar, 1345-1355. Gros (Silver, 21 mm, 1.19 g, 6 h). MONITA REX STЄFA Ornamented helmet with feathers on top. Rev. Christ, nimbate, seated facing on decorated throne and holding book of Gospels with both hands; in field to left and right, R and O. Jovanovic, 11-5. Struck from worn dies, otherwise, very fine.