$100,000,000.

Given the vast amounts of new money flooding the art market these days, it might be a surprise that only three artworks have ever broken the $100 million barrier at auction: Picasso's ''Boy With a Pipe (The Young Apprentice),'' which sold for $104.1 million in 2004; Alberto Giacometti's sculpture ''Walking Man I,'' at $104.3 million in 2010; and Picasso's ''Nude, Green Leaves and Bust,'' the record setter at $106.5 million in 2010. With Edvard Munch's ''Scream'' on sale at Sotheby's on Wednesday, could a fourth work join that elite club? (See related story, Page 1.) [ABSTRACT FROM AUTHOR]