匏瓜 Pao Gua, the shape was inspired by this type of gourd.
It is one of the classic shapes. The very first Pao Gua Hu was designed by one of the most influential Grandmaster designer Chen Man Sheng 陈曼生, crafted by 杨彭年 Yang Peng Nian. It has been admired and replicated by many Grandmasters throughout the history, such as Shen Xi 申锡, He Xin Zhou 何心舟, Gu Jing Zhou 顾景舟。
Pao Gua - Gu Jing Zhou was bid for 5.75 Million RMB (~900,000 USD) in 2018.