Jean Roch COLLON ( 1894 - 1951 ) was a painter. Jean Roch COLLON s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 28.66 USD for Paysage d'hiver in 2009 to 689.08 USD for Portrait of a lady with a hat in 2016 , based on the size and medium of the artwork.