Willem De Famars Testas ( 1834 - 1896 ) was a Dutch painter. Willem De Famars Testas s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 518.07 USD for DE NEDERLAAG in 2003 to 19437.49 USD for LE PUITS ET LE VIEUX SYCOMORE A LA PLACE DE L'ESBEKIEH AU KAIRE (EGYPTE) in 2007 , based on the size and medium of the artwork.