St. Virgin Mary with Child Jesus
Unknown master. Oil on wood board, 168 x 104cm. Church of St. Virgin Mary of Angels, Kaltanėnai
Examination under ultraviolet and infra-red radiation revealed traces of earlier restorations, as well as changes in format and underdrawing. Reflected IR photography shows authors drawing under paint layer, it doesn't match precisely the final details in several places. An infrared false-colour analysis discloses different pigments for blue colour used in different period of time - Prussian blue for restoration areas and smalt as an original pigment. The pigments identification to be confirmed by chemical analysis.