The (real) Degas shown here is similar to the work that is the centerpiece in 'The Art Forger'.
photo by Rob Ebdon
If you’re tempted to enter into the game of art at the highest levels, be cautious. And remember this: forgery may not be mentioned in the hushed halls of the big auction houses, but it is surely a wild card in a complex game.
http://www.amazon.com/The-Art-Forger-A-Novel/dp/1616201320
http://www.amazon.com/Forged-Why-Fakes-are-Great/dp/0199928355/ref=sr_1_1?s=books&ie=UTF8&qid=1359572179&sr=1-1&keywords=jonathon+keats
http://www.gardnermuseum.org/
http://www.nytimes.com/2013/01/28/arts/design/as-art-market-rise-so-do-questions-of-oversight.html
Tom Keating photo courtesy of most of the shebang
http://www.stephenbrookes.com/arts/2007/8/7/fine-art-of-the-fake-makers.html