AR Didrachm (6.71 g, 6h). 241-235 BC. Rome mint. 

Head of Mars right, wearing crested Corinthian helmet, decorated with a griffin

Horse's head right, wearing bridle, bit, and reins; sickle behind, ROMA below. 

Crawford 25/1; Sydenham 24; Kestner 47; BMCRR 
Romano-Campanian 57; RSC 34. Very rare.

With permission of Roma Numismatics, May, 2010