AN ICON OF THE EXTENDED DEISIS Russian, 19th century Tempera on wood panel with kovcheg. The haloes made of silver, covered by a golden lacquer. Minimally restored. 30.8 x 26.8 cm. ICON WITH EXTENDED DEISIS Russia, 19th century. Composite of two boards with two back splines. Kovcheg, tempera on chalk ground, silver haloes with golden lacquer. 30.8