Nikola Michailov ( 1876 - 1960 ) was a Bulgarian painter. Nikola Michailov s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 583.04 USD for Männerporträt in 2004 to 10578.81 USD for Porträtt av Marguerite Wenner-Gren (1891-1973), née Liggett Gautier, gift med finansmannen Axel Wenner-Gren in 2012 , based on the size and medium