Thomas (tom) Edwin Mostyn ( 1864 - 1930 ) was a British painter. Thomas (tom) Edwin Mostyn s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 543.35 USD for Two children by a lake in a farmyard in 2003 to 21643.2 USD for The Golden Island in 2004 , based on the size and medium of the artwork.