NGC, NCS, PMG Named Official Grading and Conservation Services of the Macau Numismatic Society
NGC, NCS, PMG Named Official Grading and Conservation Services of the Macau Numismatic Society Numismatic Guaranty Corporation (NGC) and Paper Money Guaranty (PMG) have been named the Official Grading Services of the Macau Numismatic Society (MNS). Numismatic Conservation Services (NCS), an affiliate of NGC and PMG, has been named the Official Conservation Service of the MNS. The MNS was established in 1988 to serve the coin and paper money collecting communities in Macau, a Special Administrative Region of China, and the surrounding areas. The MNS conducts an annual convention, hosts educational forums and regularly publishes new research on coin and [...]