Watch List notes:

Mysia. Pergamon. Antoninus Pius AD 138-161. ΚΟΥΑΡΤΟΣ ΣΤΡΑΤΗΓΟΣ (Quartos, strategos for the second time). Struck circa AD 144-158
Bronze Æ

21mm., 7,23g.

ΑV ΤΙ ΑΙ ΑΔΡ ΑΝΤΩΝEΙΝΟС, laureate head of Antoninus Pius, right / EΠΙ СΤΡ (TP ligate) ΚOVΑ-ΡΤOV ΠEΡΓΑ around, TO B in fields, Sarapis seated, left, extending right arm over Cerberus, and holding long sceptre in left hand.

very fine

Weisser 610; BMC Mysia 281; SNG Copenhagen 484.