Robert Dobson ( 1850 - 1901 ) was a British painter. Robert Dobson s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 228.29 USD for Extensive river landscape with figures on a bank, in 2004 to 456.2 USD for Figures, Horses and a Donkey Before a Windmill in 2006 , based on the size and medium of the artwork.