Constantius I caesar, 293 – 305.
Aureus circa 294-299, AV 5.47 g. CONSTAN – TIVS CAES Laureate head r. Rev. VIRTVS – MILITVM Camp gate with door open; in exergue, P R. C 317. RIC 8a. Depeyrot 12b/3. Biaggi 1844 (this coin). Calicó 4882 (this coin).
Very rare. Minor marks and traces of edge filing, otherwise about extremely fine

Ex Hess sale 9 May 1951, 274 and NAC 49, 2008, B.d. B, 438. This coin is illustrated in The Roman Aurei by X. E. Calicó.