Claudette Castonguay ( 1949 - ) is a Canadian painter. Claudette Castonguay s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 650 USD for LE FIANCE DE MARIE-LOUISE in 2004 to 1278.98 USD for LES FLORALIES SUR LA PETIT PLACE in 2005 , based on the size and medium of the artwork.