Crawford 196/1, Roman Republic, 169-158 BC., Rome mint, anonymous star series, Æ As.

Roman Republic, anonymous star series, Rome mint, ca. 169-158 BC.,
Æ As (ø 29-31 mm / 21,03 g), bronze, based on an As of about 22,5 g., axes irregular alignment ↑↘ (ca. 150°),
Obv.: laureate head of Janus, value mark I above.
Rev.: ROMA , prow of galley right; I (value mark) to right, star above; below, ROMA.
Crawford 243, 196/1 (citing 25 specimens in Paris) ; Syd. 264 ; BMC 461 .