Card Grading

Global Authority is the most experienced card grading company in the business. With almost two decades of professional grading experience, we offer consistent and accurate authentication and grading. We offer a variety of product and service options creating the most innovative choices when choosing a collectible trading card grading service.

Rarity and demand are important in determining the value of your trading cards but ultimately condition affects its value. The centering, corners and overall eye appeal all play a part in determining condition and grade of the trading card. A grading expert will take all these factors into consideration when assigning a grade to a card.

Global Authority, Inc. has innovated and developed grading techniques used industry wide and continue to pave the way with its experience. The process of card grading is not an exact science. However, the years of experience, the most in the card grading industry, help establish unmatched consistency.

Each card undergoes a comprehensive and thorough examination. The grade assigned to each card is guaranteed, as long as the card remains in the Global Authority tamper evident holder. We take pride providing every client with the confidence to make an informed decision on the purchase of a Global graded product.