Entrance to thed Grand Canal I have a Canaletto piece of art that feels like it is on cotton cloth. 39"x27". It is stamped on the back as well. I'm trying to find out any info on it and what it may be worth. Category: Fine ArtCondition: ExcellentMedium: CottonFor Sale?: No Know something about this item?Log In and Add New CommentIf you don't have InstAppraisal accountclick here to create one for free!