Woiciech (aldabert) Ritter Von Kossak ( 1856 - 1942 ) was a Polish painter. Woiciech (aldabert) Ritter Von Kossak s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 2813 USD for Rycerz (Cavaliers) in 2013 to 9750.39 USD for Battle of Olszynka Grochowska, 1940 in 2017 , based on the size and medium of the artwork.