Miniature Russian Silver & Enamel Book Brooch,

marked 84, with cyrillic makers stamp, the cover decorated in royal blue enamel and set with central Russian Lesser Coat of Arms and the dates 1613-1913 commemorating the Romanovs' tercentenary, the book opening to reveal images of past Romanov sovereigns until Emperor Nicholas Alexandrovich, total weigth 10.15gm, 2.6cm x 2.1cm