Charles Brinton Cox ( 1864 - 1905 ) was an American painter. Charles Brinton Cox s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 499 USD for El Rancho - Mexico in 2005 to 7500 USD for THE ROUND-UP, NEAR THE RIO GRANDE - MEXICO in 2005 , based on the size and medium of the artwork.