Hans Hansen ( 1769 - 1828 ) was a Danish painter. Hans Hansen s works have been put up for auction numerous times, with realized prices varying from 1800.86 USD for Portræt af kunstnerens søn Constantin Hansen som dreng in 2005 to 1808.45 USD for Portrait of Dorothea Øllegaard Rosenkrantz (1723-1786) in 2007 , based on the size and medium of the artwork.