RUSSIAN TRIPTYCH ICON DEPICTING THE VIRGIN OF THE BURNING BUSH AND FEASTS WITH METAL MOUNT, EARLY 19TH CENTURY Tempera on panel; restorations and chipping 31x40 cm A RUSSIAN METAL MOUNTED TRIPTYCH ICON OF THE VIRGIN OF THE BURNING BUSH WITH FEASTS, EARLY 19TH CENTURY; RESTORATIONS AND LOSSES