Set of 6 Imperial Green Jadeite and gold buttons or studs. This set is similar to examples that Cartier, Tiffany and Fabergé created during this time period. Original leather fitted box. 9Kt yellow gold mountings. 5 with their original backs. Each button is approximately 13.3mm wide. Natural "Type A". Superb condition for their age. Late 19th century or early 20th Century.