Watch List notes:

KINGS of PONTOS. Mithradates VI Eupator. Circa 120-63 BC. AR Tetradrachm (29.5mm, 16.77 g, 12h). Pergamon mint. Dated month 9, year 208 BE (June 89 BC). Diademed head right / Pegasos grazing left; BAΣIΛEΩΣ above, MIΘPAΔATOY/EYΠATOPOΣ in two lines below; star-in-crescent to left; to right, HΣ (year) above monogram; Θ (month) in exergue; all within Dionysiac wreath of ivy and fruit. Callataÿ p. 12, dies D48/R– (unlisted rev. die); HGC 7, 338; DCA 688; SNG von Aulock 6678; Dewing 2120; Hirsch 1416; Rhousopoulos 3215. Toned, trace deposits, double struck on reverse. Near EF. Excellent portrait.

From the DMS Collection, purchased from Jonathan K. Kern.