Jade Sword (broken) (K1:280), with a remaining length of 28.5 cm, a width of 3.3 cm, a thickness of 0.68 cm, and weighing 51.5 g. Made of palygorskite rock, the entire artifact turned chicken-bone white due to fire exposure. The sword was broken into five pieces, with the tip completely missing. The blade is flat and resembles a bamboo strip, with one side of the ridge slightly convex and the other side flat with a concave middle section. The tang is flat, with a broken tip, and features a circular perforation.