Platinum, 9, 14 or 18ct Solid Gold Signet Ring Seal Engraved In Reverse With Wax Impression Made and engraved in our London worksop and supplied with full British Hallmarks. Dimensions: face size: 12x14mm Thickness: 2mm A naturally occurring chemical element, about 30 times rarer than gold. The rarest, strongest and heaviest of all the popular precious metals. The earliest archaeological discoveries of platinum date back to the ancient Egyptians and the 16th century when the Spanish…