Oscar Gronmyra ( 1874 - 1911 ) was a Norwegian painter. Oscar Gronmyra s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 305.19 USD for Kvinne syr in 2004 to 1933.31 USD for T√∏mmerlass i vinterskog in 2005 , based on the size and medium of the artwork.