The obverse depicts St. George in the Cape, around his head - a halo of dots, curls on the head are replaced by beads. Directly overhead the cross the same over the spear. In his right hand he holds a spear and in his left a shield. Left and right there is an inscription in the Greek language top-down: "SV. George".
On the reverse side in the centre is a Trident. The middle prong on the end of a circle with a dot in the middle. Around the middle prong left to right is the inscription: "ЯРОСЛАВО СРЕБРО"
Photo from the book: I. I. Tolstoy "the most Ancient Russian coins of Grand Duchy Kiev" (1882).