Set Of Four 9ct Yellow & White Gold Buttons In Case

A well presented set of four 9ct37.5% pure gold (or 375 parts pure gold and 625 parts other metals) gold values in their original Mappin & WebbFounded by Jonathan Mappin in 1774, a family silversmith and jewellery business.
case. They were made around 1920-1930 and have been set with engraved mother of pearlThe iridescent inner layer of certain molluscs such as oysters or abalones which is used as a decorative inlay. plaques and naturalA natural stone is called such because it has not been subjected to any treatments.  split pearls.