A LARGE FEAST DAY ICON Russian, 19th century Tempera on wood panel with kovcheg. The background made of silver, covered by a golden lacquer. Partially restored. 44.2 x 36.9 cm. GROSSFORMATIGE FESTTAGSIKONE Russia, 19th century. Composite of two boards with two lost back splines. Kovcheg, tempera on chalk ground, silver background with golden lacquer. 44.