SASANIAN KINGS. Yazdgard III, 632-651. Drachm (Silver, 32 mm, 3.88 g, 6 h), SK (Sakestān), RY 13 = AD 644. Draped bust of Yazdgird III to right, wearing an elaborate mural crown; behind head, ‘GDE / ʾp̄zwt'’ (‘[may his] glory increase’ in Pahlavi); before head, ‘yẕ[d]krt'’ = ‘Yaz[d]gird’ (‘Yazdgird’ in Pahlavi). Rev. Fire altar with ribbons, flanked by two attendants; above altar, star and crescent; to left, date in Pahlavi; to right, SK (abbreviation for the name of the mint in Pahlavi). Göbl type II/2. Very rare. Some doubling and scratches, otherwise, very fine.