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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, AU, and PCGS. Each of these refers to different aspects of how a coin is assessed and certified.

The term MS refers to coins still in their original mint condition. 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 contact marks can lower the grade. Collectors often seek elevated MS ratings because these coins are rare and retain their mint brilliance and intricate craftsmanship.

AU stands for About Uncirculated. These coins show extremely light friction, usually on the highest points of the design. They may have been lightly circulated but still retain significant residual brilliance. The AU range spans AU50 through AU58. The higher the number, the minimal contact and the more luster remains. AU coins are a favorite among collectors for those who want high-quality uncirculated pieces but at a more affordable price than top-grade uncirculated coins.

PCGS stands for Professional Coin Grading Service. It is one of the most respected independent graders in the world. When a coin is sent to PCGS, it is evaluated by trained specialists who determine its grade based on industry-leading guidelines. The coin is then encapsulated in a tamper-evident slab with a authenticity tag showing its classification, verification, and other details. This process, called certification, helps prevent damage and counterfeiting, and gives buyers assurance of its quality. PCGS is widely respected across the numismatic community because of its reliability and track record.

Understanding these terms helps you make better decisions when buying or selling coins. Whether you are looking for アンティークコイン投資 a flawless MS70 coin or a premium AU58 rarity, knowing the rating and who certified it can help you evaluate its investment potential. Always look for coins evaluated by established graders like PCGS to ensure you are receiving authentic quality.