Octavian as Augustus, 27 BC – 14 AD. Cistophoric tetradrachm, Pergamum circa 19-18 BC, AR 11.20 g. 

IMP IX TR PO V, Bare head right.
MART VLTO across field, temple of Mars Ultor: circular, 
domed, tetrastyle temple set on five-tiered base; a signum within. 

RIC 507; RSC 202; BMCRE 704; RPC 2220.

With permission of Numismatica Ars Classica - Auction 101, Lot 69, Oct 2017
Estimate: 1000 CHF.
Ex Künker sale 133, 2007, 8545.