Coin Grading 101: What MS, AU, and PCGS Really Mean > 게시판

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When collecting coins, one of the most important things to understand is how their condition is evaluated. This process is called coin grading and it plays a major role in determining a coin’s value. Three terms you will often come across are Mint State, Nearly Uncirculated, and PCGS. Each of these refers to different aspects of how a coin is assessed and certified.

Mint State (MS) denotes coins that have never entered circulation. These coins are in pristine condition as they were when they left the mint. Coins graded as Mint State fall between MS60 and MS70, with MS70 being a perfect coin with no wear and no flaws visible under magnification. Even minor contact marks or surface blemishes can lower the grade. Collectors often seek high Mint State grades because these coins are highly uncommon and retain their original luster and sharp design elements.

AU stands for About Uncirculated. These coins show only the slightest signs of wear, usually on the relief areas. They may have been lightly circulated but still retain significant residual brilliance. Coins in the About Uncirculated category fall between AU50 and AU58. The higher the number, the less wear and アンティークコイン投資 the greater the shine. AU coins are a favorite among collectors for those who want almost flawless specimens but at a lower cost than full Mint State examples.

The acronym PCGS refers to the Professional Coin Grading Service. It is one of the top-certifying authorities in the world. When a coin is sent to PCGS, it is analyzed by certified graders who determine its grade based on industry-leading guidelines. The coin is then encapsulated in a tamper-evident slab with a certification label displaying its rating, provenance, and key metadata. This process, called slabbing, helps prevent damage and counterfeiting, and gives buyers assurance of its quality. PCGS is the gold standard for coin certification because of its reliability and reputation.

Understanding these terms helps you make better decisions when buying or selling coins. Whether you are looking for a flawless MS70 coin or a well preserved AU58 piece, knowing the condition level and the certifying authority can help you evaluate its investment potential. Always look for coins graded by reputable services like PCGS to ensure you are receiving authentic quality.