Watch List notes:

Sextantal series. AE As, after 211 BC. Obv. Laureate head of Janus; above, I. Rev. Prow right; above, I; below, ROMA. Cr. 56/2. AE. g. 62.50 mm. 40.50 RR. Graffito on obverse. Very rare: among the heaviest specimens known. About F/F.