Watch List notes:

Latium, Signia, Obol, ca. 280-275 BC; AR (g 0,58; mm 11; h 6); Head of Mercury r., wearing winged petasus; below neck, dolphin r.; below chin, caduceus, Rv. Mask composed of Silenus head l., and boars head r.; below, SEIC. HNItaly 343.
Very rare, dark patina, extremely fine.