It could be the personal collection of Gladstone.BanZhi,.chinese landscape charactersSize: 4.2 x3cm, 50 gXY for material of precious materials, the cylinder shaped, colour and lustre is Huang Run, norm of the natural grain.Sleek BanZhi wall, outer wall shallow carved mountains and waters landscape, detailed characterization, lifelike.Smooth, patina jade-like stone embellish, wearing is very convenient.