For sale, a stunning piece of English Art. A Sterling Silver ring with what I think is Labradorite. European Hallmarks. Size: 6.5 Weight: 2.3 Grams Hallmarks: KP / EP (Designer's Mark), Lion looking left (Sterling Silver, 92.5% pure silver), Leopard Head (Made in London, UK), N (Date mark, 1987). Labradorite: Oval, 16 Prong set, measuring 6 mm long x 4 mm wide (0.5 Carats). Gemstone: A clear Green line through a darkish blue stone. Beautiful and stunning. Difficult to photograph, but I tried my best. Band width narrowest: 2.6 mm Band width widest (top of ring): 12.8 mm This handmade, vintage piece of art comes with 4 hallmarks to show exactly where it came from. European hallmarks are the best as they show the entire history of a quality piece. This is clearly a one-of-a-kind piece that will make for the perfect gift, or for the collector of rare items, or the silver investor. Can't go wrong with quality.