Roman Republic Struck Coinage C. Sax. Triens circa 169-158 BC, AE 8.79 g. 

Helmeted head of Minerva right, four dots. 
Prow right (long deck), C·SAX ligate above, four dots to right. ROMA below. 

Babelon Clovia 8. Sydenham 360b. RBW 734. Crawford 173/3. 

With permission of Numismatica Ars Classica - Auction 92 Part 2, Lot 1577, May 2016.