Fine silver (999) hallmarked pendant. With added patina; gold plated highlights and a textured back. Yin-yang represents perfect balance in Chinese symbolism. A perfect gift. This stamp is produced by Clarity Stamps. please contact me via the contact form to discuss further. Weight 11 gms approx Size 3.2 cm I do not provide a chain with necklaces or pendants. Most people have a favourite chain and chains are interchangeable. I now have two or three which work for most of my silver pieces. II use Cookson Gold http://www.cooksongold.com/Finished-Chain/ here you can chose the length and style and the finished chains are very affordable. For a really beautiful Italian made snake chain visit www.boothandbooth.co.uk and take a look. Great service and beautifully made chains and relatively inexpensive.