Sasanian Kingdom. Vistahm. Silver Drachm (4.08 g), AD 591-597. LD (Ray), RY 2 (AD 593/4). Bust of Vistahm right, wearing mural crown with frontal crescent and pellet-in-crescent set on crescent, ribbons and crescents on shoulders; stars flanking crown; pellets-in-crescents within crescents in margin. Reverse: Fire altar with ribbons; flanked by two attendants; star and crescent flanking flames. Göbl type I/1. Very Rare. Toned. Choice Very Fine. Estimate Value $500 - 600