What is the news item mainly about? [originaltext] The US Art Auction house

The US Art Auction house Sotbeby’s is gearing up for one of its biggest sales of the year, an auction of impressionist and modern art to be held this week. It’ s expected to fetch a total of around $180 million. Sotheby’s may hold an auction twice a year but this time there’s a real buzz about proceedings. There are 55 major works up for grabs but all the attention is on this one--Claude Monet’ s "Jeune File Dan Le Jardin" painted in 1880. It’s expected to fetch some $ 30 million. The organizers said it’ s one of the last great paintings of Monet that’s every likely to come onto the market. Not just painting, but sculpture is also on offer.