Laureate head of Saturn right; behind, S / ROMA in exergue, prow of galley right; above, S. Uncertain mint in Spain. 23mm, 8.43 grams. Cf. Crawford 56/3; cf. Sydenham 143a. SKU Q230-21428

Rare! These semisses were minted in Spain soon after it was annexed to the Roman Empire and circulated only there. They are rarely found, especially in such nice condition.