Coin Item Number: Edz2690 from the MOA: University of British Columbia
Round, 4 sided hole in centre, rim around outer edge and centre hole, obverse 4 characters, no writing on reverse. Yongli tongbao (top-bottom-right-left) in regular-running script Chinese characters. Rim pits, flaws; extra metal in centre hole; file marks.
Large sized circulating coin value 2. Made in Japan for Zheng Jing, son of Zheng Chenggong, with titles of Yongli, after Yongli's death. Using this title was anti-Qing propaganda.