Tiffany & Co. Japanese-style parcel-gilt sterling silver dessert knife with applied and engraved decoration, hollow handle

According to our Tiffany & Co. flatware history book (p. 279), this is a pointed tip Japanese-style dessert knife, sterling-silver with parcel gilt and applied and engraved decoration (of a fish with some sort of vine that wraps around the hollow handle). It has an unknown name but may be pattern #116.