Commodus, billon tetradrachm of Alexandria, Egypt. Dated year 28. M A KOM ANTW CEB EYCEB, laureate head right. Serapis enthroned left holding sceptre, right hand extended over Kerberos at feet, L KH in upper left field (year 28 of Aurelius's reign), Milne 2674; Dattari 3886. Contributed by David Lowe, Dec. 2011.