Roma Numismatics Limited, Auction 9, Lot 511 Furius Purpurio AR Denarius. Rome, 169-158 BC. Helmeted head of Roma right, X behind / Luna in a biga right, PVR below horses, murex shell above, ROMA within linear frame in exergue. Crawford 187/1; Sydenham 424. 3.24g, 19mm, 3h. Extremely Fine. Beautiful old tone with iridescent highlights. The murex shell symbol makes a punning allusion to the...