Severus II, AR Argenteus, Serdica. AD 305-306. 3.31 g. SEVERV-S NOB C, laureate head right. VIRTVS MILITVM, campgate with seven layers, three turrets, no door. Mintmark dot SM dot SD B dot. RIC VI Serdica 11a-b var (emperor); Sear 14627. with permission of Auktionshaus H. D. Rauch GmbH, Sept. 2015.