Grading sports trading cards is a meticulous process that involves evaluating several key attributes to determine the card’s condition and value. Here’s a detailed look at how this process works:

1. **Centering**: This refers to how well the image on the card is aligned within its borders. Graders look for equal spacing on all sides. Perfect centering is a sign of a high-quality card, while off-center images can reduce a card’s grade.

2. **Corners**: The sharpness and condition of a card’s corners are critical. Graders examine each corner for wear, bends, or fraying. Sharp, clean corners indicate a well-preserved card, while any damage can significantly lower the grade.

3. **Edges**: The edges of the card are inspected for chipping, wear, or any other imperfections. Like corners, pristine edges reflect careful handling and storage, contributing positively to the card’s grade.

4. **Surface**: The card’s surface is examined for scratches, print defects, stains, or other blemishes. Graders use magnification and special lighting to detect these imperfections, as a flawless surface is essential for a high-grade card.

5. **Authenticity**: Graders verify the authenticity of the card, ensuring it is not a counterfeit. This step is crucial for maintaining the integrity of the card’s value.

6. **Overall Condition**: Combining all these factors, the card is given an overall grade. Most grading companies use a scale from 1 to 10, with 10 being “Gem Mint” or perfect condition. The card’s grade is then encapsulated in a protective case along with a label indicating its grade.