c. 1890. 18.5" long. Tests for yellow metal and 800 silver (80% silver, 20% alloy) which was primarily produced in continental Europe during the late 19th and early 20th centuries. This was most likely made in Eastern Europe. mixture of metallic alloys - traditionally silver, copper, lead and sulfur - used to fill engraved designs on metal, usually silver. The technique dates back to at least the 2nd millennium BC. This chain is a very wearable length and has both an XL sprint ring AND a dog clip decorated with matching niello. Desirable!