Roman Republican, Anonymous AE unit, 25mm, 15.20 g. Messana, Sicily mint, 264 BC. 

ROMANO, head of Minerva left, wearing crested Corinthian 
helmet decorated with griffin; symbol: plough? behind head.
ROMANO, eagle standing left on thunderbolt, head right, 
wings spread; vertical dagger or short sword to left.

Crawford RRC 23; Sydenham 30; Berlin III 171; Bahrfeldt 8; 
BMCRR Romano-Campanian 5.
Extremely rare.

With permission of A. Tkalec AG, Feb. 2006. 
Estimate: 3,000 CHF.