Vintage Bone Fish Letter Opener with Serrated Edge

Unusual vintage hand-carved letter opener made from what appears to be natural bone, featuring a stylized fish design.  The long tapered blade has a pointed tip with a finely serrated edge along one side. The upper portion is carved into a decorative fish-form handle, with small dark natural/decorative markings along the blade.  A unique piece of vintage desk decor, folk art or collectible hand-carved bone work.  Details:  Vintage letter opener / desk accessory Fish-form design Hand carved Appears to be natural bone, possibly bovine bone Serrated blade edge Cream/ivory coloration Unmarked Pre-owned vintage condition with age-related coloration and surface wear