William Alexander ( 1767 - 1816 ) was a British painter. William Alexander s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 1442.57 USD for PORTRAIT OF AN INFERIOR MANDARIN OF TOURANE BAY in 2003 to 82950 USD for Chinese Barges of the Embassy Preparing to Pass Under a Bridge in 2010 , based on the size and medium of the artwork.