Roman Republican, Anonymous AE unit, 25mm, 14.35 g. Messana, Sicily mint, 264 BC. 

ROMANO, head of Minerva left, wearing crested Corinthian 
helmet decorated with griffin; symbol: helmet 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 cngcoins.com, Triton X, Lot 508, Jan. 2007. 
Sold For $4,250.