Watch List notes:

Greek Italy. Uncertain of Inland Etruria. Archaic wheel/three crescent series. Large fragment of AE Cast Quadrans, 3rd century BC. Archaic wheel within double linear border. / Three pellets within double linear border. Vecchi ICC 188; HN Italy 64d; Haeb. p. 272, 1-17, pl. 91, 7-8.. AE. 11.43 g. 33.00 mm. RRR. Extremely rare and interesting. Lovely earthen dark green patina. Good VF. ���

Probably cutted to provide small change, just like the cast bronze ingots were usually cutted for payments of smaller amounts in the 3rd century BC.