“Substantial” gold ring Ca 450-550 A.D. Byzantium. The bezel is is engraved with a Chi Rho /The Chi Rho (☧, English pronunciation /ˈkaɪ ˈroʊ/; also known as chrismon) is one of the earliest forms of the Christogram, formed by superimposing the first two (capital) letters—chi and rho (ΧΡ)—of the Greek ΧΡΙΣΤΟΣ (rom: Christos) in such a way that the vertical stroke of the rho intersects the center of the chi.
