It is the double version. The neck ring is marked ND 925.Feel free to ask any question! The item "Anna Greta Eker Norway Designs Necklace Sterling Silver Norwegian Original box" is in sale since Saturday, September 8, 2018. This item is in the category "Jewelry & Watches\Vintage & Antique Jewelry\Vintage Ethnic/Regional/Tribal\Scandinavian". The seller is "abelone65" and is located in 3118. This item can be shipped worldwide.