Anton Raphael Mengs ( 1728 - 1779 ) was a German painter. Anton Raphael Mengs s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 27256.5 USD for PORTRAIT SKETCH OF THE HEAD OF A YOUNG MAN in 2004 to 353000 USD for unknown in 2014 , based on the size and medium of the artwork.