Seleukid Kings of Syria, Tryphon, AE, (Bronze, 6. 17 g 18mm), ca 142-138 BC, Uncertain mint.
Obv: Diademed head right.
Rev: ΒΑΣΙΛ[ΕΩΣ] ΤΡ[VΦΩ]ΝΟ[Σ] / Α[VΤΟΚΡΑ]ΤΟΡ[ΟΣ], Spiked Macedonian helmet adorned with wild goat horns.
Ref: HGC 9, 1061 var.(monogram)