Constantius I, 305-306. Argenteus (Silver, 20mm, 3.43 g 12), Serdica, 305-306. CONSTANTIVS AVG Laureate head of Constantius I to right. Rev. VIRTVS MILITVM / SM SDΔ Camp gate with three turrets. Cohen 304a. Gautier 25. RIC 11a. Very rare, one of the finest known argentei of Constantius I as Augustus. Virtually as struck.