This necklace comes in a blue velour covered box with a Certificate of Authenticity. It is 24k gold plated with simulated Lapis Lazuli beads and Austrian crystals. Its length is 47 cm with an extension of maximum 6 cm. Lenght approx: 47 up to 53 cm / 18.5 up to 20.87 inch Widest approx: 13 mm / 0.051 inch Weight: 93 gram Signed: JBK (Jacqueline Bouvier Kennedy) Mint condition! Camrose & Kross is the only company in the world, who has the right to make exact copies of certified jewels of the First Lady of the United States - Jacqueline Kennedy. All jewels from Camrose & Kross are handmade of the finest materials. Camrose & Kross Jewelry replicas differ from the original neither in weight nor in appearance. If the original patina or scratch is present, then the copy has everything exactly the same. The only difference is the material of manufacture. Their jewelry is now becoming highly collectible. Send by registered shipping.