Jerzy Kossak ( 1890 - 1963 ) was a Polish painter. Jerzy Kossak s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 1078.75 USD for Kosaken-Verfolgungsjagd in 2004 to 3694.95 USD for Troops Crossing the River in 2014 , based on the size and medium of the artwork.