Justinian I Gold AV Solidus Byzantine Empire 527-565 AD, 4.53 gm, not graded.

Justinian 1 Gold Solidus, Constantinople 4.53 gm and 21 mm. Constantine the Great (AD 324-337) introduced a new pure gold coin, the solidus, to broadcast his conversion to Christianity throughout the empire. It weighed 4.53 gm and remained in use throughout the western world for more than 700 years. The Constantine coin had no inscription and the obverse design featured his portrait gazing up towards God.Justinian I was the Eastern Roman Emperor from AD 527-565 and is noted for military expansion, a program of public building works and the promotion of Christianity. The solidus coins of his reign feature his portrait on the obverse, in which he wears a helmet and armor. Justinian holds an orb surmounted by a cross – a Christian symbol of authority – and a shield decorated with a horseman motif. On the reverse an angel is depicted facing forwards and holding a staff in each hand.Interestingly, the term ‘soldier’ stems from the word ‘solidi’, the solidus coins used to pay troops.The solidus is one of the most significant gold coins in world history.