ICON 'Mother of God of Tikhvin' in a display case, Central Russia around 1850,

ICON 'God's Mother of Tikhvin' in a display case, Central Russia around 1850, the icon in tempera over chalk grounding on a hardwood panel, HxW: 27x22.5 cm; Mounted in a handcrafted wooden case with a gold-leaf inner frame, with brass inlay in the crowning field, HxW: external dimensions approx. 56x33.5 cm. Icon and frame with signs of age, restored and part. retouched. ATTACHED EXPERTISE from Galerie Viktor Puch, Deisenhofen.