Understanding Coin Grading: A Complete Guide

Coin grading is the process of determining a coin's physical condition, and it's one of the most important factors in determining its value. A high-grade coin can be worth many times more than a low-grade example of the same coin. This guide will introduce you to the fundamentals of the Sheldon grading scale, which runs from Poor (P-1) to a perfect Mint State (MS-70).

Key Elements of Grading

Understanding a coin's grade involves assessing four key attributes:

• Strike: How sharply and completely was the design struck onto the coin? A full strike will show intricate details.
• Surface Preservation: How well has the coin's surface survived? Look for marks, scratches, and other imperfections from handling.
• Luster: This is the original mint sheen on the coin's surface. Luster can be diminished by cleaning or circulation.
• Eye Appeal: This is a subjective but important factor. It refers to the overall aesthetic quality of the coin, including its toning (coloration).

The Main Grading Categories

• MS (Mint State): A coin in uncirculated condition with no trace of wear. Graded from 60 to 70.
• AU (About Uncirculated): A coin with very light wear, only on the highest points of the design.
• XF (Extremely Fine): Light wear is visible across the design, but all major details are sharp.
• VF (Very Fine): Moderate wear, but most details are still clear.
• F (Fine): Significant wear, with some details worn smooth.
• VG (Very Good): The coin is well-worn, but major design elements are still visible.

Grade Your Coins with Coinly

While professional grading requires years of experience, the Coin Identifier - Coinly app provides a fantastic starting point. After identifying your coin, Coinly's AI analyzes the photo to give you an estimated grade. This feature is invaluable for beginners learning to assess condition and for experienced collectors who want a quick second opinion before sending a coin for professional certification.