Augustus, AE sestertius, (25.85g) Lyons Mint, 

CAESAR AVGVSTVS DIVI F PATER PATRIAE, Laureate head right. 
Altar of Lugdunum, ROM ET AVG in exergue. 

RIC 231A; Cohen 236; BMCRE 565; Paris 231a.

Very rare.

With permission of cngcoins.com, Triton XVIII, Lot 992, Jan. 2015.