Otto Tilche ( 1900 - ) is an Italian painter. Otto Tilche s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 48.01 USD for Camels in the desert in 2006 to 506.28 USD for An oasis before the Pyramids at Giza (illustrated); in 2007 , based on the size and medium of the artwork.