Louis Muhlstock ( 1904 - 2001 ) was a Canadian painter. Louis Muhlstock s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 1163.08 USD for SEATED NUDE in 2004 to 11010.3 USD for GRAY DAY, FACING LA RUELLE STE. FAMILLE in 2011 , based on the size and medium of the artwork.