Roman republic Æ Uncia(7.81g, 22mm, 3h), anonymous "post-semilibral" series. 215-212 BC. Head of Roma right, wearing attic helmet; to left, • / Prow right; above, ROMA; below, •. McCabe Group A1; Crawford 41/10
Ex Thersites Collection
This coin is an interesting variant with dolphins at keel of the prow and is a die match to CNG e-173 lot 381, McCabe A1.Un.1(Russo coll.) and Nomos Obolos Webauction 2 Lot 143. My research suggests this dolphin ornamentation is unique to this single reverse die.