Alexander Max Köster (after) ( 1864 - 1932 ) was a German painter. Alexander Max Köster (after) s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 578.9 USD for Enten am Wasser in 2005 to 965.71 USD for Ducks in a pond in 2014 , based on the size and medium of the artwork.