Purchased in Taxco, Mexico, this is a one-of-a-kind item. With a design resembling DNA, it's one of the more expensive pieces of Mexican-made jewelry. A necklace made of high-quality Mexican silver 925. It has MEXICO and 925 hallmarks. Color: Silver Total length: Approximately 52cm Maximum width: Approximately 1cm Weight: 94.4g Material: silver925 Mexico is a world-renowned silver producer. Taxco (TAXCO) in the southern state of Guerrero, Mexico, is particularly famous. Taxco is known as the "Silver City," and much of the silver mined in Mexico is processed by artisans in Taxco. #2 The above information is noted on the packaging bag for product management purposes. Please understand.