HERENNIUS ETRUSCUS, (A.D. 251), silver antoninianus, Rome mint, issued A.D. 250-1, (3.42 g), obv. radiate bust of Herennius draped to right, around Q HER ETR MES DECIVS NOB C, rev. around PIETAS AVGVSTORVM, various sacrificial implements, (S.9521, RIC 143, RSC 14). Lightly toned, surface roughness, good very fine and very scarce.