egg tempera and gesso on wood panel, the body of the silver-gilt oklad decorated with engine-turned designs, the halo with a Greek key border, the oklad with a knot border. Oklad with Cyrillic assayer's mark IT, dated Cyrillic assayer's mark LO 1892, Moscow town mark, 84 standard 22.3 x 18 cm. (8 3/4 x 7 1/8 in.)