BYZANTINE SILVER, NIELLO AND BRONZE BELT BUCKLE WITH CHI-RHO. Ca. AD 500 - 800 A bronze belt buckle with a broad loop and a tapering faceted tongue, fitted with a semi-circular silver plate engraved with two nimbed angels flanking a central Chi-Rho inlaid in niello. Size: 90mm x 50mm; Weight: 140g. Provenance: Private London collection; acquired in Germany; formerly in a Swiss private collection formed in the 1990s.