Category Archives: David Chio

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 […]

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Coin Club News – An Interview with David Chio of the Macau Numismatic Society

  By Yuan Shui Qing, Xi’an Numismatic Society, for the Journal of East Asian Numismatics …… The Macau Numismatic Society was founded in 1988, and since then has become a major player in the Greater Chinese collecting sector. The Society’s leading figure is David Chio. David Chio was born in 1957 in Macau. After much […]

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