Until November 12th artnet.com is running an online auction of a group of works which they claim represent some of the most important artistic movements from the early 20th century. Sale highlights include early modern works by Milton Avery and John Marin; Dadaist and Surrealist masterpieces by Man Ray and Francis Picabia; exuberant Pop art by Warhol, Haring and Pettibone; and cutting edge contemporary paintings and sculptures by Nam June Paik and Damien Hirst. artnet has been online since 1995 and is now considered the leading online resource for the international art market. With the launch of new Online Auctions, artnet has added a transaction platform to its information services. Fancy bidding? With works reaching estimates of up to $250,000 you’ll have to dig deep. Visit Auction site.