Constantin Hansen ( 1804 - 1880 ) was an Italian painter. Constantin Hansen s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 121.93 USD for Portræt af Kjerstine Fogh. in 2004 to a remarkable record 53450.31 USD for San Pietro in Vincoli in Rome. in 2014 , based on the size and medium of the artwork.