EGYPT, Alexandria. Marcus Aurelius. AD 161-180. BI Tetradrachm (21mm, 13.63 g, 12h). Dated RY 10 (AD 169/170). Laureate head right / L • I (date) within wreath. Köln –; Dattari (Savio) 3414; K&G 37.343; Emmett 2087.10. Near VF, dark brown patina with patches of red.