Olavi Ahlgren ( 1897 - 1966 ) was a Finnish painter. Olavi Ahlgren s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 201.47 USD for Kaupunki vuoristossa - Stad i bergen in 2004 to 330.1 USD for Untitled in 2009 , based on the size and medium of the artwork.