Michel Sima ( 1912 - 1987 ) was a painter. Michel Sima s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 294.83 USD for Portrait d'Alberto Giacometti dans son atelier rue des Archives in 2014 to 1009.54 USD for Pablo Picasso dans son atelier, Vallauris in 2015 , based on the size and medium of the artwork.