the oklad chased and repoussé with kovcheg borders of floral ornament and open-work halo, the oklad struck with the maker`s mark initials in Cyrillic A.Y., the assayer`s mark initials in Cyrillic Y.L. for Yakov Lyapunov, 84 standard. Egg tempera and gesso on wood panel. Two insert splints on top and bottom. 27 x 22.2 cm (10 5/8 x 8 3/4 in.)