Jade Ge (dagger-axe) with Dragon-and-phoenix Pattern, Late Shang (13th century–1046 BCE). Whole length 37.0 cm, Greatest width 7.1 cm, Thickness 0.7 cm. Unearthed from tomb M2009of the cemetery of the Guo State, Sanmenxia, 1990. © Guo State Museum in Sanmenxia.