Carl Oscar Hullgren ( 1869 - 1948 ) was a Swedish painter. Carl Oscar Hullgren s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 291.33 USD for Den gamla brunnen Cristiansö in 2005 to 3342.98 USD for Vid Tånudden, Marstrand in 2009 , based on the size and medium of the artwork.