PARTHIAN KINGDOM: Vologases IV (147-191 AD) | Æ Tetrachalkon | 8.24g | 25.5 mm
PARTHIAN KINGDOM: Vologases IV (c. 147-191 AD) AE Tetrachalkon. Denomination: Tetrachalkon. Ruler: Vologases IV. Bust left wearing tall Parthian tiara; long beard. Origin: Parthian Empire. Date Range: c. 147-191 AD.