WorthPoint partners with a diverse group of auction houses and online marketplaces —including industry leaders such as Hindman Auctions, Rago Auctions, Julien's, and of course, eBay—to provide sales data for art, antiques, vintage, luxury, and collectible items. Our Price Guide features more than 610 million items and a billion photographs from historical records beginning in 2006, through today. We are always looking for data partners to contribute their price results. Providing your data to WorthPoint will expose your sales and auctions to an active and engaged group of collectors and sellers. We are ranked in the top 1,000 most visited sites in the world! Since we believe in open data and true partnerships, participating in our Price Guide is always fee-free for data partners. Click here to learn more about partnering with WorthPoint.