Leszek Nowosielski ( 1918 - 1999 ) was a Polish painter. Leszek Nowosielski s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 768.34 USD for Wodorosty in 2014 to 4226.88 USD for Penetration of blue in 2019 , based on the size and medium of the artwork.