William Ahlgren ( 1905 - 1990 ) was a painter. William Ahlgren s works have been put up for auction numerous times, with realized prices varying from 167.55 USD for UNTITLED in 2005 to 317.55 USD for AT THE CORNER OF POHJOISRANTA AND MAKASIINIKATU. in 2010 , based on the size and medium of the artwork.