Valentín Libian Thibón De Libian ( 1889 - 1931 ) was an Argentine painter. Valentín Libian Thibón De Libian s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 28680 USD for Carbonero de puerto in 2003 to 35872 USD for ENTREACTO in 2004 , based on the size and medium of the artwork.