Will Christie's get $ 20 million for this Matisse?

Christie’s Evening Sale of Impressionist and Modern Art on November 6.
This painting is one of the major pieces for sale at New York's fall art auctions.
L'Odalisque, Harmonie Bleue
Henri Matisse
1937
Estimate: $15-$20 million
The reclining blonde in the painting turns out to be Russian, plus blues and green.