Alexandre Claude Louis Lavalley ( 1862 - 1927 ) was a French painter. Alexandre Claude Louis Lavalley s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 4268.76 USD for A sitting naked woman in 2007 to 5000 USD for Portraits of a lady and a gentleman in 2015 , based on the size and medium of the artwork.