Ton Frenken ( 1930 - 2004 ) was a Dutch painter. Ton Frenken s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 210.3 USD for Toegang blauw 2000 in 2004 to 1137.98 USD for Venster II in 2006 , based on the size and medium of the artwork.