Jean Joseph Benjamin Constant ( 1845 - 1902 ) was a French painter. Jean Joseph Benjamin Constant s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 2760 USD for portrait of a young woman in 2004 to 452731.9 USD for Marchand de tapis à Tanger in 2005 , based on the size and medium of the artwork.