John James Chalon ( 1778 - 1854 ) was a British painter. John James Chalon s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 2400 USD for A gypsy encampment by a hilltop fortress in 2005 to 22500 USD for A LANDSCAPE WITH TRAVELERS BY A COAST, A RAINBOW BEYOND in 2019 , based on the size and medium of the artwork.