Louis De Fontaine ( 1723 - 1757 ) was a painter. Louis De Fontaine s works have been put up for auction numerous times, with realized prices varying from 904.22 USD for Portrait of Adrienne Lecouvreur, half-length, in a pink dress with lace and a blue mantle, feigned oval in 2007 to 1183.96 USD for unknown in 2013 , based on the size and medium of the artwork.