C. Cluvius Saxula. Sextans circa 169-158, AE19mm., 6.62g. 

Bust of Mercury right, wearing winged petatos, two dots above.
Prow right, C SAX ligate above, two dots to right. ROMA below.

Babelon Clovia 10. Sydenham 360d. Russo RBW 736. Crawford 173/5. 
Very rare. 

With permission of Numismatica Ars Classica - Auction 92 Part 2, Lot 1579, May 2016.