Jean Mathieu Nisen ( 1819 - 1885 ) was a French painter. Jean Mathieu Nisen s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 141.83 USD for Portrait de dame in 2010 to 3355 USD for A portrait of a gentleman, three-quarter length, with his greyhound in 2010 , based on the size and medium of the artwork.