China, late Qing/early Republic Set of five Yixing stoneware teapots covered in pewter, their spouts, handles and lid grips in celadon jade (except for one jadeite handle and one wooden handle), including one teapot in the shape of a crescent moon (as well as its lid), decorated with a fisherman on a pontoon and an inscription, one in the shape of a spade (inspired by ancient coins) decorated with a prunus in flower and an inscription, one round and low with the same incised decoration and a spinach jade handle, and finally two hexagonal teapots, one alternating scenes depicted in landscapes and vertical auspicious sayings, and the other incised with bamboo and rock as well as an inscription. Each has a sigillary mark stamped into the stoneware on the inside (bottom), including one with the "Yang Pengnian zhi" seal (the one in the shape of a spade).