Frederic Flacheron ( 1813 - 1883 ) was a French painter. Frederic Flacheron s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 1032.01 USD for The Tiber by Castel Sant`Angelo in 2004 to 2838.02 USD for Forum of Trajan in 2004 , based on the size and medium of the artwork.