Amulet (Tongue?)

Dark gray stone or metal object, resembling a tongue or a pendant, with rounded top and tapered bottom. The object is approximately vertical, with a hole at the top and three holes aligned vertically below it. The top portion has a rounded shape with slightly curved sides, and the bottom tapers to a rounded point. There are vertical lines on the left side. The object has an engraved code at the top, consisting of numbers. The background is light gray. The image is in black and white. The title of the object is "Amulet (Tongue?)" by an unknown artist.