Robert Mcgown Conventry ( 1855 - 1941 ) was a British painter. Robert Mcgown Conventry s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 763.58 USD for LOCH LINNHE in 2010 to 3705.35 USD for A Rainy Day, Ballantrae in 2013 , based on the size and medium of the artwork.