Judging by their find spots, these coins were likely cast by the local government in the Kuche area of Xinjiang during the reign of the Emperor Dai Zong.
Member:
American Numismatic Association
American Numismatic Society
Oriental Numismatic Society
California State Numismatic Association
Royal Numismatic Society
International Association of Professional Numismatists
Mumbai Coin Society
Florida United Numismatists
Royal Canadian Numismatic Association