Domitian, 13 September 81 - 18 September 96 A.D.
RS116530. Silver denarius, RIC II-1 789; RSC II 291; BMCRE II 234; BnF III 208; Hunter I 93; SRCV -, Choice gF, well centered, toned, scratches and bumps, 2.678g, 18.8mm, 180o, Rome mint, IMP CAES DOMIT AVG GERM P M TR P XV (Latin: Imperator Caesar Domitianus Augustus Germanicus Pontifex Maximus Tribunicia Potestate Quinta Decima - Supreme commander, caesar, Domitian, emperor, victor over the Germans, high priest, holder of tribunitian power 15 years), laureate head right; reverse IMP XXII COS XVII CENS P P P (Latin: Imperator Secundum Vicesimum Consul Septimum Decimum Censor Perpetuus Pater Patriae - Supreme commander for the 22th time, consul 17th times, censor for life, father of the nation), Minerva standing left, helmeted and draped, thunderbolt in right hand, spear vertical behind in left hand, grounded round shield at feet behind
In Domitian's time, at least 10 aqueducts supplied the city with 250 million US gallons (950,000 m3) of water per day, the public baths used half the supply.