Caveat Emptor . Some sites do not check or authenticate the object being offered. ArtNet pop Wide variety of work by known US and international artists and photographers. Lots have been vetted by reputable dealers and compared with existing auction results. Inhouse experts available to help with questions concerning buying or selling.
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Some works directly from artists' studios. It ebay great collections pop New area of eBay for fine art, antiques, and collectibles. Search archived catalogs from auction house sales since 1994 and find out about dealers and galleries, related associations, fairs and publications. On line auctions from a network of 5000 dealers. Selection includes old masters, artifacts, and contemporary art.