Pedro León Zapata ( 1929 - 2015 ) was a Venezuelan artist, humorist and cartoonist. Pedro León Zapata s works have been put up for auction numerous times, with realized prices greatly surpassing estimated prices, varying from 800000 USD for S/t in 2005 to a remarkable record 11000000 USD for Autorretrato in 2005 , based on the size and medium of the artwork.