Yi Li (Etiquette and rites) wooden slips (Nos. 1-10 slips on display)Eastern Han dynasty (25 – 220)Unearthed in 1956 at Mozuizi, Wuwei, GansuCollection of Gansu Provincial MuseumEach: L: 35-56 cm; W: 0.8 cm; T: 0.28 cm