Friedrich Johann Voltz (attributed To) ( 1817 - 1886 ) was a German painter. Friedrich Johann Voltz (attributed To) s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 662.14 USD for STUDIE EINER KUH in 2005 to 1179.89 USD for Kuhherde mit Bauer und Heumagd auf dem Heimweg über eine Furt in 2006 , based on the size and medium of th