Alois Venth ( 1809 - 1868 ) was a German painter. Alois Venth s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 811.69 USD for Porträt einer Tochter der Familie P. Heinen (Aachen) in einem grünen in 2004 to 1542.21 USD for Porträt der jüngsten Tochter der Familie P. Heinen (Aachen) in einem blauen Kleid in 2004 , based on the