Circa 1200-1400 AD.This intricately formed cross is decorated with elaborate patterns in gold filigree, granulation, and wire on sheets of gold, a technique that is typical of late Byzantine art. The centre with s celadon green stone. The shape echoes that of earlier Byzantine crosses, like the adjacent example decorated with cloisonné ename. Size: L:36.7mm / W:26.8mm ; 4.25gProvenance: Central London private collection of Ancient Art and jewellery; acquired since the 1970s on the UK and European art markets.