Osvaldo Salas ( 1914 - 1993 ) was a Cuba painter. Osvaldo Salas s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 2000 USD for Con Hemingway in 2005 to 2362.2 USD for Ernesto Che Guevara in 2017 , based on the size and medium of the artwork.