Valentinian I Siliqua, 1.49g; 18mm, 364-367 AD. Lyons. 

Obv: DN VALENTINI-ANVS PF AVG, pearl-diademed, draped and 
cuirassed bust right
Rev: RESTITV-TOR REIP, Emperor standing facing, head right, 
holding labarum with plain shaft, and Victory on globe. 

Mintmark SLVG. 

RIC IX Lyons 6a; RSC 18-19+c. Scarce.

with permission of cngcoins.com
Sale: Triton XIII, Lot: 400. Estimate $500. 
Closing Date: Monday, 4 January 2010. 
Sold For $750.
RIC IX 6a; Lyon 12; RSC 18-19†c.