S G William Roscoe ( 1852 - 1922 ) was a British painter. S G William Roscoe s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 1193.1 USD for Two figures resting by a canal lock in 2003 to 12270.98 USD for Monandrian Plants of the Order Scitamineae in 2004 , based on the size and medium of the artwork.