Egypt. Alexandria under Marcus Aurelius (AD 161-180). AE diobol (23mm, 8.88g). Struck in regnal year 12 (AD 171/2). Laureate head of Marcus Aurelius r. / Tyche standing l., wearing kalathos, holding rudder and cornucopia; across fields, LI-B. RPC Temp. 15131.2; Dattari 9317.