Domitian. 81-96 AD. AR Denarius. 

IMP CAES DOMITIANVS AVG P M, laureate head right
IVPPITER CONSERVATOR, eagle standing front on thunderbolt, head left. 

RIC II 144; BMCRE 52; RSC 320. 

Note: This type eagle is described in RIC as type b.

Ancientcoinart, August 2010.