C K Appel ( 1921 - 2006 ) was a painter. C K Appel s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 134.07 USD for Man en paard in 2009 to 3218.54 USD for Seven summer Day's. The Hague, Nova Spectra in 2010 , based on the size and medium of the artwork.