Edwardian 9ct Gold Two Sided Swivel Seal

A pretty 9ct37.5% pure gold (or 375 parts pure gold and 625 parts other metals) gold swivel double sided sealA stone or metal plaque carved with an image (an intaglio) but with design reversed so that it is readable when impressed in wax.
that can be worn on its own or with other pieces on a chain. It is set with a bloodstoneA dark green to dark bluish-green variety of Chalcedony that is splattered with red or brown spots that resemble blood. The extent of the marking varies depending on the stone. Spots are favoured over larger stripes and markings. on one side and a carnelian​A translucent red variety of chalcedony which in its turn is a form of cryptocrystalline quartz. ​Carnelian has​ been known and used since antiquity when it was sourced from the surfaces of the Egyptian and Arabian deserts. The ​most prized carnelian has a true blood-red color. on the other. It was made in Birmingham in 1908.