Augustus. 27 BC-14 AD. AR Denarius (3.13g). 

Rome mint. Struck 16-15 BC.  L. Vinicius, moneyer. 

Obv: AVGVSTVS TR POT VIII, bare head right 

Rev: L VINICIVS L F IIIVIR, cippus with six-line inscription: 
S P Q R 
IMP CAE 
QVOD V 
M S EX 
EA P Q IS 
AD A DE

RIC I 361; RSC 542; BMC 80; Paris 355. 
Extremely rare

With permission of Numismatica Ars Classica, auction 84, Lot 888, May 2015.