Egypt. Alexandria. Hadrian, 117-138. Diobol. (Bronze, 24.40 mm, 7.21 g). Dated RY 15 = AD 130/1. AYT KAI TPAI AΔPIA CЄB Laureate, draped and cuirassed bust of Hadrian right. Rev. The emperor, laureate-headed in military dress, seated left, on galley, is raising hand and holding sceptre; to left, mast with sail; to right steersman; [ L I] E in field. RPC III 5785. Dattari-Savio Plate 73, 7525. BMC 871. Milne 1320. Emmett 1127. Nice dark green patina. Good Very Fine. Ex Naville Numismatics Ltd., Auction 71, 13.02.2022, lot 214. Diobol struck solely in the 15th year of Hadrian's Egyptian reign. Given that the emperor and his court remained in Alexandria until late spring of 131 AD, the reverse scene – showing the emperor triumphant seated on a throne atop the deck of a sailing trireme - suggests that this issue may have been minted to commemorate his farewell and departure from Alexandria which he honoured with his auspicious greeting gesture.