Adolphus Knell ( 1860 - 1890 ) was a British painter. Adolphus Knell s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 1375.71 USD for Fishermen unloading at dusk, with a frigate at anchor beyond in 2004 to 3700.33 USD for Shipping scenes in 2008 , based on the size and medium of the artwork.