A Russian letter opener knife with a jade carved blade decorated with chiseled floral patterns and a diamond rim and a gilt silver mounted blue guilloche enameled handle with the owners initial on it, surmounted with the Imperial Warrant embellished with the Russian Emperor Nicholas II monogram set with diamonds. Marked with the manufacturer and 88 silver proof marks. Total weight: 86 g. Russian Enameled Letter Opener Knives and Silver Collectibles.