Constantius I, 305-306. Argenteus (Silver, 20 mm, 3.00 g, 1 h), Serdica. CONSTANTIVS AVG Laureate head of Constantius I to right. Rev. VIRTVS MILITVM / •SM•SDΓ• Campgate with three turrets. RIC 11a var. (unlisted officina). Nicely toned. Minor flan crack, otherwise, very fine.