http://www.tefaf.com/

TEFAF Maastricht and pan Amsterdam, organized by The European Fine Art Foundation, are known for their high quality art and antiques... [Read more]

http://www.sothebys.com/

Sotheby's is a global company that engages in art auction, private sales and art-related financing activities. Founded in 1744, Sotheby's operates in 40 countries, with principal salesrooms located in New York, London, Hong Kong and Paris. Sales encompass the finest masterpieces, important furniture and works of art, fine wine and exceptional diamonds. Major collecting categories include Impressionist, Modern, Contemporary and Russian Art, Old Master Paintings, Jewellery, Furniture and Books... [Read more]

http://www.teletrade.com/

Teletrade has three to four certified coin and currency auctions per week, featuring thousands of lots on which you can bid, using your web browser or touch tone telephone... [Read more]