Seal of Athanasius I, Oecumenical Patriarch of Constantinople
Byzantine
Obverse: Virgin Platytera seated facing on a large throne with high back, holding the Christ child on her knees.
left and right of Virgin's head, text in Greek (Mother of God)
Reverse: Greek inscription (Athanasios, by the grace of God Archbishop and Ecumenical Patriarch of Constantinople, the New Rome)
Lead
Byzantine period, Late