A RUSSIAN SILVER RIZA MOUNTED ICON OF THE VIRGIN OF KAZAN, HALLMARKED SILVERSMITH BORISOV, MOSCOW, ASSAYER CYRILLIC INITIALS "B.C.," 1876, of rectangular form with the conforming riza of Russian Revival decoration enclosing the traditionally painted face of the Virgin of Kazan with Christ. Height: 12 3/8" Width: 10 5/8"