Chinese Yixing Zisha Hexagonal Teapot Gu Jingzhou Mark Calligraphy 340ml

Chinese Yixing-style zisha teapot in a hexagonal form with curved spout, loop handle, fitted lid, and decorative calligraphy/painted motifs around the body.  The base bears a large seal mark attributed to Gu Jingzhou, with additional impressed marks on the underside of the lid and smaller decorative seals on the body. This piece is being offered as a Gu Jingzhou-marked teapot only; authorship and age have not been independently authenticated.  Approx. capacity: 340 ml Approx. total weight: 480 g Body weight without lid: 399 g Lid weight: 81 g Approx. overall length: 7 in Approx. height: 3 in  Condition is good overall with age/use wear, surface patina, rubbing and discoloration consistent with prior handling. No obvious major cracks or chips observed from inspection. Please review all photos carefully for exact condition, construction, marks and decoration.  A substantial and decorative Chinese zisha teapot with multiple seals and an interesting Gu Jingzhou mark.