Numismatic Guaranty Corporation® (NGC®), Numismatic Conservation Services™ (NCS®), and Paper Money Guaranty® (PMG®) have appointed CGB Numismatics Paris, a leading coin and banknote firm in France, as an official submission center in Europe. Founded in 1988, CGB is an international numismatics firm that operates a large online store and conducts important auctions throughout the year, […]
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