Coin depicted roughly twice actual size*
AE23 of Justinian I
Bronze AE23, 23mm, 7.71gm, issued c. AD 520.
Obv: DN IVSTINIANVS PP AVG, Diademed cuirassed bust right.
Rev: Large I surmounted by cross, A to left, SP to right.
References: DO 98a, Sear 175.