Gustaf Theodor Wallen ( 1860 - 1948 ) was a Swedish painter. Gustaf Theodor Wallen s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 4014.72 USD for Grönskande gård - Vitemöle in 2004 to a remarkable record 59633.08 USD for Pojkar i solskensbelysning, Concarneau in 2015 , based on the size and medium of the artwork.