Western Han dynasty, bamboo slips, unearthed in 1973 at the Jinguan site, Jianshui, Gansu Province, now collected in the Gansu Jiandu Museum. In 1930, more than 700 Han bamboo slips were unearthed at the Jinguan site. In 1973, more than 10,000 slips were unearthed again, recording a large number of entry documents and military garrison. These slips spanned hundreds of years,including various kinds of calligraphy styles. Length: 11.7-23.5cm; Width: 1-6cm; Height: 0.3-1.4cm.

Han bamboo slips in Jinguan