MYSIA. Pergamum. Hadrian, 117-138. Tetrassarion (Orichalcum, 30 mm, 17.61 g, 12 h), Kl. Kephalion, strategos for the second time, circa 118. ΑΥ ΚΑΙ ΝЄΡ ΤΡΑΙΑ ΑΔΡΙΑΝΟ[Ϲ] Laureate, draped and cuirassed bust of Hadrian to right. Rev. ΠЄΡΓΑΜΗ ЄΠΙ ϹΤΡΑ ΚΛ ΚЄΦΑΛΙΩΝΟϹ / ΤΟ Β Zeus standing front, resting his right hand on hip and holding thunderbolt on his left; to lower right, eagle with spread wings standing facing, head to left and holding wreath in beak. RPC III online 1726.6 (this coin). SNG Copenhagen -. SNG Paris -. Extremely rare. Patina stripped. Adjustment marks and light cleaning scratches and corrosion on the obverse, otherwise, very fine.