ROBERT WALKER MACBETH ( 1848 - 1910 ) was a British painter. ROBERT WALKER MACBETH s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 723.72 USD for YEALSCOMBE in 2003 to 26687.42 USD for FAIR PLEDGES OF A FRUITFUL TREE in 2004 , based on the size and medium of the artwork.