Coin

About this object

History of use

Large sized circulating coin value 2. Made in Japan for Zheng Chenggong, with titles of Yongli. Zheng was subject to Yongli only when it suited Zheng's purposes; Zheng was a pirate-merchant.

Physical description

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 seal script. Rim pits; file marks; small rims, large characters, small bottom part of bottom character.