John Frederick Kensett (attributed To) ( 1818 - 1872 ) was an American painter. John Frederick Kensett (attributed To) s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 800 USD for Portrait of a Gentleman (Possibly Sanford Robinson Gifford in 2006 to 23750 USD for Niagara Falls in 2017 , based on the size and medium of the artwork