Necklace measures about 16" long. It appears to be unmarked. Navette centerpiece measures about 1 1/16" long. Center coral cameo measures about 11/16" long. Smaller Coral cameos measure a bit over and a bit under 1/2 " each. All hand carved. Please email any questions. Victorian Antique Carved Coral 3 Cameo Necklace. Shipped with USPS First Class.