The features of performing and the main directions of research on objects of forensic fine art examination, namely works of painting. It is noted that according to the performance technique, the painting is divided into oil, tempera, watercolor and encaustic painting (wax as a binder of paints). Proved the need to know the expert of the painting technology. It is important to distinguish the materials that served as the basis, since each of them has its own composition, structure and features, which tells on their properties, and this, in turn, affects the character and condition of all components of painting and, in particular, the colorful layer as the most defining feature. Different types of craquelure and its origin are considered. It is indicated that craquelure is formed under the action of various factors, and therefore it differs both in form, location-oriented disposition, and formation method.The criteria for determining the composition creation time and its authenticity are defined. It is noted that craquelure is one of painting authenticity features, therefore, on non-authentic composition, in order to pass them off as genuine, craquelure is formed by means of mechanical action that is fairly easy to recognize, or by means of painting technology violating. Considered the need for comprehensive research. It is proved that correspondence of an handwriting to the author handwriting in the signature is one of the most important features of composition authenticity which is determined according to the methods of forensic handwriting researches by the relevant specialists and it is performed as a comprehensive fine art and handwriting examination. Another of the most important authenticity features is the correspondence of the chemical composition of coloring pigments and their origin to the time of applicability and time of composition creation which is determined with the involvement of the appropriate specialists in while performing a comprehensive forensic fine art and chemical examination.