The Roman Empire, House Of Constantine Bl Half-Centenionalis coin issued by Constantine I in 354 AD is a valuable piece of history from the Ancient era. This bronze coin, with a denomination of Nummus, represents the Imperial period of the Roman Empire. Uncleaned and certified by NGC, this coin provides a glimpse into the rule of Constantine I and the intricate history of the Roman Empire during the 4th century AD. A perfect addition for collectors interested in ancient Roman coins and numismatics.