Asia, Kingdom of Bithynia, Nikomedes IV Philopator, Tetradrachm 91-90 BC

Asia. Kingdom of Bithynia. Nikomedes IV Philopator. Nikomedia. AR Tetradrachm, 91-90 BC, 16.24 gr., 31.5 mm.
Obverse: diademed head of Nikomedes IV to the right //
Reverse: ΒΑΣΙΛΕΩΣ ΕΠΙΦΑΝΟΥΣ ΝΙΚΟΜΗΔΟΥ; Zeus Stephanophoros standing to the left; in left field: eagle standing to the left on thunderbolt, above: HΣ-monogram (date).

Ref: Callataÿ p. 63, dies D203/R8 (unlisted die combination); HGC 6, 646; Jameson 1390 (same obv. die).

Iridescent tone, underlying luster. Extremely fine