Enrique Grau ( 1920 - 2004 ) was a Colombian painter. Enrique Grau s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 650 USD for Cabeza de Mujer in 2005 to 87500 USD for HOMAGE TO DELACROIX in 2015 , based on the size and medium of the artwork.