Anonymous Semuncial series. AE As, c. 91 BC. Obv. Laureate head of Janus. Rev. Prow right; above, ROMA / I (mark of value). Cr. 339/1b. AE. 11.12 g. 28.00 mm. Scarce. From masterly engraved dies, perfectly centred and in excellent condition for issue. Lovely slightly rough green patina. Good VF.