Vespasian, 69-79 AD. Gold Aureus (7.2g), Tarraco mint, struck 69-70 AD. 

Obv: IMP CAESAR AVG VESPASIANVS. laureate head right 
Rev: MARS VLTOR, Mars advancing right carrying spear & trophy. 

RIC 257 [as Rare]; C. 270. 
Typical low relief on reverse. Fine to Very Fine. 
Estimate $700-1,000.

From the Ira & Larry Goldberg Auction 21, Sept 17, 2003, lot 1735, realized $1200.

By permission, www.goldbergcoins.com.