10 Nummi - Justinian I Constantinopolis, no Regnal Year

Justinian I came to power in 527 already embroiled in the fiscal and military reorganization that would define his reign. The small copper nummus denominations were the backbone of everyday petty exchange throughout the eastern Mediterranean, and the 10-nummi piece occupied a critical slot in that hierarchy. Constantinople's mint during these early years experimented considerably with fabric and module before Justinian introduced his regnal year system — a reform that allows modern scholars to precisely date later issues. This piece predates that reform, placing it in the murky first decade before bureaucratic standardization took hold.