PONTUS OR BOSPORUS. PERHAPS STRUCK UNDER MITHRIDATES VI EUPATOR, 120-63 BC.
Bronze AE 13, 2.04 g., 13 mm.
Obv. Comet with long tail.
Rev. Horse head above comet, within dotted border.
SNG Brit. Mus. 1 984. SNG Stancomb 653; see also Adrienne Mayor, The Poison King: The Life and Legend of Mithradates, Rome’s Deadliest Enemy (Princeton Univ. Press, 2009), p. 29, fig 2.1, where she argues that this is the comet of 135 BC.
NGC graded XF STAR, Strike 5/5, Surface 4/5, NGC # 4165866-033, an exceptional coin of great historical interest dedicated in its entirety to commemorating the appearance of a comet.