Robert Spears Dunning ( 1829 - 1905 ) was an American painter. Robert Spears Dunning s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 9987 USD for A Sailboat at a Bend in the River, Autumn, 1870; Cattle Wate ring at a Bend in the River, 1870 (A Pair) in 2004 to 216000 USD for Still Life with Peaches and Silver Dish in 2005 , bas