John Singleton Copley (after) ( 1737 - 1815 ) was an American painter. John Singleton Copley (after) s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 99.12 USD for The victory of Lord Duncan, by James Ward in 2004 to 12500 USD for PORTRAIT OF A YOUNG BOY STANDING ON A PORTICO WITH HIS PET PIGEON in 2008 , based on the size and m