Henricus Turken ( 1791 - 1856 ) was a Dutch painter. Henricus Turken s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 1717.19 USD for THE DUET in 2006 to 2978.11 USD for AN INTERIOR WITH AN ELEGANT LADY PLAYING A PIANO in 2007 , based on the size and medium of the artwork.