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Certified gold coins are those that have been assessed and authenticated by means of a good 1/3-party grading provider. In the United States, agencies like the Numismatic Guaranty Company (NGC) and the Professional Coin Grading Service (PCGS) are well-appeared for his or her rigorous requirements in coin grading and certification. When a gold coin is licensed, it undergoes an intensive exam to verify its authenticity, condition, and grade, which can be then documented on a certification label or holder. Read more from the blog!