 The analysis of Saturnino Gatti's wall paintings revealed the presence of a variety of organic materials, including synthetic compounds such as paraffin, which may be attributed to previous restorations. Temporar-based paints and oil-based resins were also identified, suggesting that Gatti employed a mixed-media approach to his artwork. This article was authored by Alessia Andriati, Francesca Caterina Izzo, and Alaria Bonaduce.