Russia, Order of St Alexander Nevsky circa 1837-39 A privately-made ‘black’ sash badge, in gold and enamels, unsigned and unmarked, circa 1837-39, in the form of a Maltese cross with dark red enamel gold-framed limbs of flat section, gold broad-winged Imperial eagles in angles, their wing tips almost touching, with central painted enamel portrait of St Alexander Nevsky on horseback right,