To Emperor Caesar Nerva Trajan Augustus, Germanicus (= conqueror of Germany), Dacicus (= conqueror of Dacia/Romania), Chief Priest, tribunician power ... (number missing), consul 5 times, Father of the fatherland, M (?).
IMPERATOR CAESARI NERVAE TRAIANO AVGVSTO GERMANICO DACICO PONTIFICI MAXIMO TRIBVNICIA POTESTATE ... CONSVLI VPATRI PATRIAE M
The first "I" is missing and I don't know what the "M" stands for, if anything.