Parthian Kingdom. Vologases I. Ca. A.D. 51-78. AR drachm (21.2 mm, 3.68 g, 11 h). Ecbatana mint. Diademed bust left, wearing short beard, wart on forehead, earring visible, hair in five waves; "b" symbol behind head / Archer seated right, holding bow; monogram below bow. Sellwood 71.1; Shore 377. aVF, toned.