Commodus AD 177-192. Bi. Tetradrachm of Alexandria. 24 mm; 12.78g, dated year 21, AD 180-181. M AYRH KOMMO ANTWNINOC CE, Laureate head right. L K-A, Emperor on horseback galloping right, wearing cuirass and paludamentum, wielding spear at enemy prostrate right beneath his horse. Milne 2625; BMC 1430; Geissen 2203. With permission of cngcoins.com, the AK collection sale.