Walter Robertson ( 1750 - 1801 ) was an Irish painter. Walter Robertson s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 175.33 USD for A Lady, wearing white dress with blue waistband, further blue bands on her sleeves, pearl trim at the neckline in 2005 to 1364.62 USD for A Lady in 2009 , based on the size and medium of the artw