Watch List notes:

ANCIENT COINS. ROMAN. Anonymous, "Aes Grave" Coinage (c.240-217 B.C.), AE As, 275.0g. Head of bearded Janus, mark of value I horizontally below, all on a raised disk. Rev. Prow of galley right, mark of value I above, all on a raised disk (Thurlow-Vecchi 51 (1198 specimens); Cr 35/1; Haeberlin, plate 12-13). Attractive deep red-green patina, nearly extremely fine.
Ex Stack's, The International Sale, New York, December 2001, 124.

Estimate: $3,500