egg tempera and gesso on wood panel, the body of the silver-gilt oklad chased and repousse with a geometrically decorated body, the haloes of Mother Mary and the Christ Child finely decorated with scrolling cloisonne enamel, the corners of the oklad with applied polychrome cloisonne enamel medallions.  Oklad with with Cyrillic maker's mark D.Ch., assayer's mark of Ilya Lebedkin, Moscow, 84 standard. 27 x 22.4 cm. (10 5/8 x 8 3/4 in.)