James Maubert ( 1666 - 1746 ) was a British painter. James Maubert s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 9289.01 USD for A portrait group of the Smith children in 2004 to 47634.8 USD for PORTRAIT OF CATHERINE SANCROFT (C. 1716-1780) AND HER SISTER ELIZABETH (1714-1788) in 2005 , based on the size and medium of the artw