Watch List notes:

Anonymous. 234-231 B.C. AE 1/2 litra (12 mm, 1.77 g, 5 h). Rome. Helmeted head of Roma right / ROMA in exergue, dog standing right, raising forepaw. Crawford 26/4; Sydenham 22; HN Italy 309. Good VF, attractive green patina with light earthen deposits. 

Ex RBW collection (not in previous sales).