Jef Geys ( 1939 - ) is a painter. Jef Geys s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 1855.6 USD for ABC Ecole de Paris' in 2017 to 2867.75 USD for 'ABC Ecole de Paris'. Stillevens. in 2017 , based on the size and medium of the artwork.