Possibly Jacob Maentel ( 1763 - 1863 ) was an American painter. Possibly Jacob Maentel s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 700 USD for waist-length portrait of a young man in a dark suit in 2004 to 469000 USD for portrait of hatter John Mays of Schaefferstown, Lebanon County in 2006 , based on the size and medium of