Sasanian Kingdom. Yazdgard II. A.D. 438-457. AR drachm (29 mm, 4.09 g, 3 h). SK (Sistan). Bust of Yazdgard II right, wearing mural crown with korymbos set on crescent / Fire altar with ribbons, flanked by two attendants. SNS type Ib1/2a; Göbl type I/1. Extremely fine.