Watch List notes:

EGYPT, Alexandria. Commodus. AD 177-192. BI Tetradrachm (28mm, 12.71 g, 1h). Dated RY 22 of Marcus Aurelius (AD 181/2). Laureate head right / Roma (or Athena) seated left on throne, holding Nike in her outstretched hand and holding long scepter, shield at side behind her; KB/L (date) to left. Köln 2207; Dattari (Savio) 3861; K&G 41.29; RPC IV Online 14191; Emmett 2521.22. Dark brown patina, double struck reverse, oval flan. Good VF.

From the Rocky Mountain Collection of Alexandrian Coins.