Watch List notes:

Anonymous Semuncial series. AE As, c. 91 BC. Obv. Laureate head of Janus; above, I (mark of value). Rev. Prow right; above, ROMA ; before, I (mark of value). Cr. 339/1c. AE. 11.77 g. 29.50 mm. Scarce. Superb mottled emerald green patina, with earthen spots. Insignificant area of weakness on obverse. Good VF.