tagworldregistry.com
TAG World RegistrySwitch Artist Registry -. Search The Registry And Find Your Piece Now. Don’t run the risk of buying artwork with costly hidden problems. Discover your piece's TAG Number and make sure your investment is registered with clean title, is not reported lost or stolen, counterfeit or under challenge. Search the Registry now and always for free. (View sample). Is an independent company. 1805 Chestnut Street Philadelphia, PA 19103.
http://www.tagworldregistry.com/