A RUSSIAN SILVER, LOETZ GLASS, JADEITE AND GEMSTONE LETTER OPENER,Circa 1900, glass unsigned, silver signed Cartier, hallmarked and numbered 155798. The bottle-form handle of iridescent green glass with pink and white iridescent trailings, the silver neck mounted with two opals and four rubies, on a stippled ground, mounted with a jadeite blade Estimate $2,000-3,000