Watch List notes:

EGYPT, Alexandria. Commodus. AD 177-192. BI Tetradrachm (24mm, 11.57 g, 12h). Dated RY 21 of Marcus Aurelius (AD 180/181). Laureate head right / Emperor driving quadriga right, holding scepter and reins; L KA (date) above. Köln 2204; Dattari (Savio) 3852; K&G 41.24; Emmett 2536.21. Dark brown patina. VF.

From the Stein A. Evensen Collection, purchased from Classical Numismatic Group, January 2008.