Hadrian. Denarius

Hadrian; 117-138 AD, Eastern Mint, ca. 130 AD, Denarius, 3.48g. Strack-55, cf. BMC 508-9, pl. 56.19-20 (misattributed to Rome). Obv: HADRIANVS AVGVSTVS P P, Laureate head r. Rx: CO-S-III, Galley rowed r. by four oarsmen; at stern, hortator (emperor?) in arched cabin under curved aplustre. Ex Curtis L. Clay Collection; Ex CNG E313, Oct. 2013, lot 250.. About EF