50-0 BC., contemporary imitation, Roman Republic, anonymous Semis, Spanish mint, cf. Crawford 056/3.

Roman Republic, anonymous, inofficial mint in Hispania, ca. 50-0 BC.,
imitative Semis (20-21 mm / 6,86 g), bronze, axes irregular alignment ↑-> (ca. 90°),
Obv.: S , laurete head of Saturn right, S behind (for "Semis").
Rev.: S / `ROMA´ , prow left, S above (for "Semis"), retrograde legend "ROMA" below.
cf. http://esty.ancients.info/imit/0250.jpg , http://esty.ancients.info/imit/imitationrepAE.html ; for prototype cf. Crawford 056/3 .
double die match with 3663.jpg of this gallery