circa 4th/3rd Millennium B.C.
Length 7 1⁄2 inches (19 cm)
Hongshan Culture, circa 3800-2700 B.C.
Length 4 1⁄2 inches (11.5 cm)
Hongshan Culture, circa 3800-2700 B.C.
Length 4 3⁄8 inches (11 cm)
Hongshan Culture, circa 3800-2700 B.C.
Width 1 7⁄8 inches (4.8 cm)
Hongshan Culture, circa 3800-2700 B.C.
Length 3 5⁄8 inches (9.2 cm)
Songze/Hemudu Culture, circa 4000-2500 B.C.
Lengths 3 7⁄8 inches (9.8 cm); 5 3⁄8 inches (13.7 cm)