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I think this Picasso on the left will fetch the highest bid at Christie's auction tonight.
Femme accroupie au costume turc (Jacqueline)
signed 'Picasso' (upper left); dated '26.11.55.' (on the reverse)
oil on canvas
45 5/8 x 35 1/8 in. (115.8 x 89.2 cm.)
Painted on 26 November 1955
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This other Picasso on the right is almost the same size, but maybe because of the pipe... which one do you like best?
Pablo Picasso (1881-1973)
Homme à la pipe
signed 'Picasso' (upper left); dated '7.11.68.' (on the reverse)
oil on canvas
51¼ x 35 in. (130.1 x 89 cm.)
Painted in 7 November 1968
[from Christie's online]