Solid us

100 A solid us was originally a gold coin issued by the Romans.
Julian solid us, ca. 361.It were introduced by Constantine I in the AD 309–10, and was used through the Byzantine Empire until the 10th century AD. The coin replaced the aurous as the main gold coin of the Roman Empire.

The name solid us had previously been used by Diocletian for the gold coin that he introduced, which is different from the solid us introduced by Constantine. The coin was struck at a theoretical value of 1/72 of a Roman pound. Solid were wider and thinner than the aurous, with the exception of some dumpy issues from the Byzantine Empire. The weight and fineness of the solid we remained relatively constant throughout its long production, with few exceptions. Fractions of the solid us known as surmises and tiramisus were also produced.


Aviates dermises, ca. 456.The word soldier is ultimately derived from solid us, referring to the solid with which soldiers were paid.