Roman Republic AE quadrans. 6.80g. "NAT" series(Pinarius 
Natta?), 155 BC. Rome mint. 

Head of youthful Hercules right, wearing lionskin headdress, 
ooo behind head.
NAT above prow of galley right, ooo to right, ROMA below. 

Pinaria 6; Crawford 200/5; RBW 863(this coin); Syd. 383c; 
Ex RBW Collection, NAC 61 lot 859, ex Aes Rude sale 55, 1993, lot 134

Contributed by Jordan Montgomery, respublicacoins.com, Oct. 2016.