Roman Republic, Dioscuri/Mercury series, Cast Triens, Rome, ca. 280 BC; AE (g 113; mm 50; h 12); Thunderbolt; in field, °° °°, Rv. Dolphin swimming r.; above, °°°°. Crawford 14/3 var (on the reverse, dots are below dolphin); ICC 27 var (same).
Unpublished in the standard references. Untouched light green patina, good extremely fine.