Tumi
The tumi is the crescent-bladed ceremonial knife of the Andes, a wide arched blade of gold, silver, copper or bronze on a rectangular handle, used for sacrifices and depicted in Moche art cutting the throat of victims. Later Sican and Lambayeque metalworkers made ornate gold tumis crowned with the figure of Naylamp, the mythic founder of the Lambayeque dynasty shown as a bird-man, and the knife passed into Chimu and Inca ritual. The most famous example, the Tumi of Illimo or of Lambayeque, is a gold blade about 41 centimetres tall weighing nearly a kilogram, recovered from Huaca Las Ventanas a