Very thick and big Zi Tan board,well worked smooth surface,without much decoration followed the tipical style of furnature in Ming Dynasty. It shows the year it made in early Qing or late Ming,in which period was rare to see Zi Tan furnature. In China Jia De Spring Auction 2012, a three screen Zi Tan Rohan bed of the same time was in ¥20,700,000.00. L: 69" W: 22", H: 23"