15th year of Kaihuang's reign of the Sui Dynasty  
Unearthed at Anyang, Henan
Height: 4cm

This white-glazed chessboardUnearthed at the tomb of Zhang Sheng has 19 vertical stripes and 19horizontal stripes, forming 361 intersecting points. It is theearliest example of weiqi chessboard with 19 stripes discovered inChina so far.