Francois Louis David Bocion (attributed To) ( 1828 - 1890 ) was a Swiss painter. Francois Louis David Bocion (attributed To) s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 292.91 USD for Zwei stehende Männer. in 2009 to 1409.02 USD for Étude de Mer in 2019 , based on the size and medium of the artwork.