Theo Faberge Limited Edition Winter Egg. Ours is No. 189 of only 750 made in 1986 for the St. Petersburg Collection. Crystal, Sterling silver, 24 carat, ruby and enamel music box egg. Height 152mm. In the original gold presentation case. Weight with case is 3 pds 6 oz. A fusion of winter ice and festive cheer, The Winter Egg is a celebration of the winter season. Made of cobalt blue and clear crystal, it is set with the Imperial Crown of Russia. Hand painted enamel delicate bows and holly decorate the Egg, which opens to reveal a music box that plays 'Silent Night'. The sterling silver base is engine turned in a starburst pattern. The vermeil crown inside winds up the mechanism and turns with the music. A cabochon ruby operates the miniature mechanism.