Solidus - Tiberius II Constantine Constantinopolis

Tiberius II Constantine ruled for just four years after Justin II's mental collapse left the empire effectively ungoverned, with Tiberius serving first as Caesar under the empress Sophia before assuming the purple in 578. His reign saw the treasury — reportedly swollen by Justin II's predecessor Justinian — drained with unusual speed through military campaigns against Persia and generous donatives to the populace. Contemporary sources, particularly John of Ephesus, note that Sophia bitterly resented Tiberius's spending and his elevation of a rival woman, Ino, as Augusta.

The Constantinople mint operated under tight imperial supervision during this period, and the DOC I#4 classification reflects a specific officina sequence traceable through extant die studies.