50-10 BC., contemporary imitation, Roman Republic, anonymous Semis, Spanish mint, cf. Crawford 056/3.

Roman Republic, anonymous, inofficial mint in Hispania, ca. 50-10 BC.,
imitative Semis (18-20 mm / 3,40 g), bronze, axes irregular alignment ↑↘ (ca. 130°),
Obv.: S , laurete head of Saturn right, S behind (for "Semis").
Rev.: S / ΠOMA , prow right, S above (for "Semis"), ΠOMA (for ROMA) below.
cf. Alvarez-Burgos (1992), p. 319, 2043 ; cf. http://esty.ancients.info/imit/imitationrepAE.html ; for prototype cf. Crawford 056/3 .