Bonhams - Fine Art Auctioneers & Valuers: auctioneers of art, pictures, collectibes and motor cars.
Christie's - In 1766, James Christie opened his London auction house and launched the world's first fine art auctioneers.
Etude Tajan - France's Leading Auction House in Fine Art Auctions.
Phillips de Pury & Company - Phillips was founded in London by Harry Phillips. In 1796 he opened his own auction house after resigning as the senior clerk to James Christie. Phillips merged with de Pury & Luxembourg Art in 2001.
Sotheby's - Premier auction house for fine art, antiques, books, jewelry, toys, dolls, and other collectible memorabilia.