Today the long-term conservation of cultural heritage is a big challenge: often the artworks were subjected to unknown interventions. which eventually were found to be harmful. The noninvasive investigation of the conservation treatments to which they were subjected to is a crucial step in order to undertake the best conservation strategies. We describe here the preliminary results on... https://www.farmingtondepotgallery.com/product-category/balloons-standard-printed-foil/