Niels Simonsen ( 1807 - 1885 ) was a Danish painter. Niels Simonsen s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 2688.51 USD for Fiskere på en bjergsø i Alperne in 2005 to 21842.87 USD for THE PORT OF ALGIERS, WITH THE JAMAA AL-JDID AND JEMAA KEBIR MOSQUES in 2015 , based on the size and medium of the artwork.