Kjeld Appel ( 1960 - 2013 ) was a Danish painter. Kjeld Appel s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 419.11 USD for Til min gode ven Jimmi in 2009 to 954.89 USD for Ostrichs with Balloons, 2012 in 2013 , based on the size and medium of the artwork.