Bronze AE 4, RIC VIII 15, Van Meter 75, F, Rome mint, 1.50g, 15.4mm, 180°, 337-340 A.D.; obverse D N FL CONSTANTIVS AVG, rosette diademed, draped and cuirassed bust right; reverse SECVRITAS REIP, Securitas standing head right, holding scepter and leaning on column; scarce