Commodus, Billon tetradrachm of Alexandria, Egypt. Dated Year 22. AD 181-182. 25.23 mm, 12.10 g. M AVRH KOMM ANTWNINOC CE, laureate head right. L KB to left of Roma or Athena seated left, holding Nike and sceptre, shield at her side. Milne 2633; Dattari 3861. With permission of TimeLine Auctions (www.timelineauctions.com), Nov, 2016