Niels Holbak ( 1884 - 1954 ) was a painter. Niels Holbak s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 13.95 USD for Efterårsskov in 2004 to 847.73 USD for Coastal scenery with people and sheds in 2006 , based on the size and medium of the artwork.