Bjorn Hallstrom ( 1916 - 1982 ) was a Swedish painter. Bjorn Hallstrom s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 447.59 USD for Grå gavlar från Cadaques in 2004 to 17939.7 USD for Bron - Espalion in 2011 , based on the size and medium of the artwork.