Constantine the Great

Solidus introduced
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312 Dec 1

Solidus introduced

Rome, Metropolitan City of Rom

The solidus was introduced by Constantine the Great in c. AD 312 and was composed of relatively solid gold. Constantine's solidus was struck at a rate of 72 to a Roman pound (of about 326.6 g) of gold; each coin weighed 24 Greco-Roman carats (189 mg each), or about 4.5 grams of gold per coin. By this time, the solidus was worth 275,000 increasingly debased denarii, each denarius containing just 5% silver (or one twentieth) of the amount it had three and a half centuries beforehand. With the exception of the early issues of Constantine the Great and the odd usurpers, the solidus today is a much more affordable gold Roman coin to collect, compared to the older aureus, especially those of Valens, Honorius and later Byzantine issues.


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Last Updated: : Mon Sep 26 2022