Piotr Kowalski ( 1927 - ) is a Polish painter. Piotr Kowalski s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 6318.53 USD for MANIPILATEUR 5 in 2005 to 21732.5 USD for Suzanne # 3, 1967 in 2006 , based on the size and medium of the artwork.