KYRENAICA. Kyrene. AR Didrachm (7.57 gms), ca. 308-305 B.C. VERY FINE. SNG Cop-1236; BMC-234-7. Obverse: Head of Karneios right; Reverse: Silphium plant; star to upper right. Struck on a typically short flan, this example offers some pleasing toning and features the silphium plant--harvested to extinction in antiquity.