Anonymous. Circa 225-217 BC. Æ Aes Grave Semis (52mm, 147.8 g, 12h). Prow right, libral cast series. Rome mint. Laureate head of Saturn left; S (mark of value) horizontal below; all on raised disk / Prow of galley right; S (mark of value) above; all on raised disk. Crawford 35/2; Sydenham 73; ICC 76; Thurlow-Vecchi 52; HN Italy 338; RBW 86. Dark green patina with traces of brown, minor deposits. Good VF. Exceptional for the type.