Sohrab Sepehri ( 1928 - 1980 ) was a Iranian painter. Sohrab Sepehri s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 79000 USD for Untitled in 2007 to 662500 USD for Untitled (from the Tree-Trunks series) in 2011 , based on the size and medium of the artwork.