THE BLADE SHAPE AND SWORD SIZE IS WHAT REMINDED ME OF THE BAT EARED DESIGNS I HAVE SEEN. THE ONES I HAVE SEEN DID NOT HAVE DOUBLE EDGED BLADES THOUGH. THATS A FIRST FOR ME ON THIS FORM.
I HAVE SEEN A FEW HILTS WHERE CARVING SIMULAR TO YOUR EXAMPLE REPRESENTED A LION SO PERHAPS ITS A LION. I WOULD THINK A DOUBLE EDGE WOULD BE USEFUL IN A WEAPON BUT NOT SO MUCH AS A TOOL.
DON'T LET AN ITEM BEING CRACKED THROW YOU OFF. MANY OF MY FRIENDS INSIST I AM CRACKED FOR COLLECTING SUCH THINGS AT ALL