C. Porcius Cato AR Denarius
Republican Denarius, 3.55 grams, 17.31 mm. Rome. 123 BC.  

Obverse: Helmeted head of Roma right, X behind.  
Reverse: Victory in biga right, holding reins and whip, C CATO below, 
ROMA in exergue.  

Crawford 274/1; Sydenham 417; Porcia 1; Sear 149.

Courtesy of TimeLine Originals (www.time-lines.co.uk), March, 2011