A CHINESE SQUARE-SECTION YIXING ZISHA BRUSH POT, BITONG.A CHINESE SQUARE-SECTION YIXING ZISHA BRUSH POT, BITONG. Signed Qian Tao (1864 – 1926). The gently rounded body with two sides incised with branches of blooming prunus, the following two with a short inscription, with vertical grooves carved through the corners, and a seal mark impressed into the underside,11.5cm H. 宜興紫砂方筆筒 款識：「筆花和雨潤文章。城侯，癸亥之秋，潛陶之作」