Prototype in the 16th to 39th year of Jiajing reign (1537-1560), Ming dynasty, Recut version.
The CUHK Library has the ten-juan collection of old rubbings of the re-engraved Model Calligraphy of the Hall of Still Clouds in accordion binding in ten volumes. Each volume comes with a corresponding carving of Zhennan wood, on which is a silk label inscribed with the name of the book and the volume number.