Nicolas rené Joullain ( 1732 - 1804 ) was a French painter. Nicolas rené Joullain s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 7926.68 USD for V√©nus et l'Amour in 2005 to 10745.76 USD for DIANE ET CALLISTO in 2008 , based on the size and medium of the artwork.