J Roberts (after) ( - ) is a painter. J Roberts (after) s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 228.54 USD for Eight High-bred Horses (Siltzer 389), by H. Roberts in 2004 to 377.34 USD for Marlborough Theatriacls in 2006 , based on the size and medium of the artwork.