Parthian Kingdom. Mithradates I. Silver Obol (0.68 g), 164-132 BC. Ekbatana. Diademed bust of Mithradates I right; reel and pellet border. Reverse: Bearded bust right wearing bashlik. Sellwood 12.4; Shore 30. Very Rare. Toned. About Very Fine. Estimate Value $300 - 400