Mario Orozco Rivera ( 1930 - 1998 ) was a Mexican painter. Mario Orozco Rivera s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 654.63 USD for Sin título in 2005 to 8500 USD for Medetante de luz. Firmado y fechado, 1988 in 2006 , based on the size and medium of the artwork.