Constantius I, 305-306. Argenteus (Silver, 20 mm, 3.38 g, 1 h), Serdica. CONSTAN-TIVS AVG Laureate head of Constantius I to right. Rev. VIRTVS MILITVM / •SM•SDΔ• Campgate with three turrets and no doors. Gautier 51. RIC 11a var. (unlisted officina). RSC 304A corr. (reverse legend). Lustrous and lightly toned, a beautiful coin. Struck from the usual somewhat worn dies with tiny die breaks on the obverse, otherwise, virtually as struck.