Khaled Ben Slimane ( 1954 - ) is a Tunisian painter. Khaled Ben Slimane s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 9000 USD for Untitled in 2007 to 62500 USD for Bab al Azrak Aa'dad 3 (The Blue Door No. 3) in 2013 , based on the size and medium of the artwork.