Franciszek Prochaska ( 1891 - 1972 ) was a painter. Franciszek Prochaska s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 298.76 USD for MADONNA Z DZIECIĄTKIEM in 2010 to 365.15 USD for LAS in 2010 , based on the size and medium of the artwork.