[ Silver and Plate ] Russian Silver Mounted Guilloche Enamel Strut Frame Maker's Mark of I Vaganov, 1908-1917 Circular with a translucent red enamel wavy guilloche border within silver leafage chased bezel and frame enclosing a portrait photograph of General Boris Hartman, the simulated ivory back panel with silver easel strut D:3.25in 8.2cm Note: General Boris Hartman 1876-1950 was the last commander of the Russian Imperial Horse Guards Regiment and was later promoted to Major-General and Member of his Majesty's Suite. hcse married Princess Mary Belosselsky-Belossersky 1883-1931 whose family heritage can be traced back to the 15th century. See Illustration