Soapstone seal signed San Qiao, 1525, Ming Dynasty, Jiajing Period (1522 - 1567), Wen Peng (1498 or 1499 - 1573) (carver), Su Shun (active c. 1488 - c. 1525) (owner), soapstone, 6 x 2.27 x 2.1 cm (height x width x depth). Presented by E. H. North, 1970. EA1970.49. © Ashmolean Museum, University of Oxford

Soapstone seal signed San Qiao (side). © Ashmolean Museum, University of Oxford

Soapstone seal signed San Qiao (top). © Ashmolean Museum, University of Oxford 

Soapstone seal signed San Qiao (bottom). © Ashmolean Museum, University of Oxford 

Soapstone seal signed San Qiao (front, seal impression). © Ashmolean Museum, University of Oxford