Watch List notes:

EGYPT, Alexandria. Marcus Aurelius. AD 161-180. BI Tetradrachm (21.5mm, 11.18 g, 1h). Dated RY 10 (AD 169/70). Laureate head right / Tyche reclining on couch left, wearing kalathos, resting hand on rudder; L I (date) above. Köln 2071; Dattari (Savio) 9211; K&G 37.351; RPC IV.4 Online 14153; Emmett 2086.10. Dark brown patina. VF.

From the Rocky Mountain Collection of Alexandrian Coins.