Aficionados of the work of artist Yves Klein take note: at the Christie's New York Post-War & Contemporary Art sale in New York, a monumental canvas from the artist's celebrated Anthropométrie series is up for grabs. Look closely for evidence of Klein's use of a female body as a paintbrush.

Image credit:
Yves Klein (1928-1962)
ANT 93, Le Buffle
pigment on paper laid down on canvas
70 x 110.3/8 in. (177.8 x 280.4 cm.)
Executed in 1960-1961
Estimate: region of $10 million