Nicolaj Abraham Abildgaard ( 1743 - 1809 ) was a Danish painter. Nicolaj Abraham Abildgaard s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 327.9 USD for Retfærdigheden in 2004 to 9876.36 USD for Sound Dues at Elsinore in 2007 , based on the size and medium of the artwork.