ANTIQUE HAND-CARVED JAPANESE TAISHO BONE DAGGER / LETTER OPENER - JAPAN c.1890's | eBay MADE IN JAPAN c.1890's. DAGGER HAS MAKER'S MARK. THE DAGGER IS ALSO USED AS A DESK LETTER OPENER. SHEATH HAS SCRIMSHAW ETCHED 3 TOE DRAGON (STRENGTH) AND PHOENIX BIRD (TRIUMPH). th Century Treasures. | eBay!