the oklad finely chased and repoussé with borders and halo decorated with medieval knot ornament, struck with the maker`s mark initials in Cyrillic A.M.G. the assayer`s mark initials in Cyrillic I.E. 1872, 84 standard. Egg tempera and gesso on wood panel. Two insert splints on top and bottom edges. 26.7 x 22.2 cm (10 1/2 x 8 3/4 in.)