SASANIAN KINGS. Khosrau II. AD. 590-628. AR Drachm (3.81 gm; 30 mm). year 13, mint "RD" (Ray). Bust of Khusro II right, wearing mural crown / Fire altar flanked by two attendants; stars and crescent flanking flames. Göbl type II/3, Sunrise 980. Choice EF. Lightly toned.