John Ambrose ( 1931 - ) is a British painter. John Ambrose s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 249.96 USD for The Harbour, St Ives in 2003 to 503.12 USD for Santa Maria della Salute from accross the Grand Canal, Venice in 2006 , based on the size and medium of the artwork.