This is a 19 mm Hand Carved Double Headed Snake Bone Bead. The 0.75" in diameter round bead has a coiled snake with two heads, which are beautifully detailed with large eyes, nostrils, scales, and decorative edging around the holes, all highlighted in brown ink. Asian characters (see photograph) appear on the side, which may be the name of the maker. Maker, country of origin, and age are unknown. The bone is either from a cow or an ox. This 19mm Hand Carved Double Headed Snake Bone Bead is in very good condition and appears never to have been used.