Theo Groeneveld ( 1897 - 1969 ) was a painter. Theo Groeneveld s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 51 USD for Mergelgrotten, Bemelen in 2005 to 2658.87 USD for Gezicht op Gulpen in 2008 , based on the size and medium of the artwork.