Oleg Nikolaevich Tselkov ( 1934 - ) is a Russian painter. Oleg Nikolaevich Tselkov s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 3411.03 USD for WITH BIG HAND in 2004 to 157000 USD for COUPLE in 2008 , based on the size and medium of the artwork.