Watch List notes:

Greek Italy. Etruria, Populonia. AE Triens of 10 Units, late 3rd century BC. D/ Head of Sethlans right, wearing pileus decorated with laurel wreath; behind, X. Dotted border. R/ Hammer and tongs; four pellets between; below, pvplvna; in left field, four pellets countermark. Dotted border. Vecchi EC I, 140.98-105; HN Italy 195; HGC 183. AE. g. 7.63 mm. 27.00 R. Flan broken. On obverse, trace of overstriking on Menvra/Owl Sextans. Earthen dark green patina. VF.

A rare and interesting overstruck and countermarked example.