The Numismatic Guaranty Corporation (NGC) is a professional coin grading service that evaluates and certifies the quality of coins. Founded in 1987, NGC uses a standardized grading scale to assess coins based on their condition, authenticity, and market value. This helps collectors and investors make informed decisions when buying or selling coins. NGC is widely recognized in the numismatic community for its expertise and reliability. The corporation employs a team of experienced numismatists who examine each coin carefully. By providing a trusted grading system, NGC enhances the overall confidence in the coin collecting market.