Cordelia Urueta ( 1908 - 1994 ) was a Mexican painter. Cordelia Urueta s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 82 USD for A Mexican Tourism Poster in 2005 to a remarkable record 24183.8 USD for Al filo de la obsidiana in 2011 , based on the size and medium of the artwork.