On the obverse, frontal helmeted and cuirassed bust of Leo I with a pearl diadem, holding a spear over his right shoulder and, on his left, a shield adorned with a biga. Surrounding the emperor, the legend D(ominus) N(oster) LEO PERPET(uus) AV(gustus). On the reverse, Victoria with wings with a large jewelled cross in her right hand and a star behind the wings. Surrounding the figure, the legend VICTORIA AVCCC(ustorum trium) C. On the exergue, CON(stantinopoli) OB(ryzum), i.e. minted in Constantinople and made from pure gold.