Pierre David Morier ( 1705 - 1770 ) was a Swiss painter. Pierre David Morier s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 5847.76 USD for EQUESTRIAN PORTRAIT OF H.R.H. WILLIAM AUGUSTUS, DUKE OF CUMBERLAND (1721-1765) in 2003 to 21068.8 USD for Equestrian portrait of King George II (1683-1770) in 2005 , based on the size and m