The first set of Xuan paper stamps issued in China was issued on May, 2065438 10. This set of stamps is called "China Ancient Calligraphy-Running Script", with a face value of 1.2 yuan. The main pictures are Preface to Lanting Collection, Sacrifice to My Nephew and Huangzhou Cold Food Poetry. The issue of this set of stamps indicates that China Post began to use Xuan paper as a special material to show the charm and uniqueness of ancient calligraphy art in China. The selection of Xuan paper as stamp material reflects China Post's emphasis on traditional culture and its pursuit of artistic value. The issue of this set of Xuan paper stamps is of historical significance and provides a precious collection for stamp collectors and art lovers.