CGC has been around for many years specializing in grading comics. In the past 10 years they have grown their trading card division by leaps and bounds. They're one of the most well known companies in the industry. The sleek and clear design of the slab makes it easily stackable with each other. This is one of the only 2 companies that provide sub-grades as well. This allows you to see why the card received the grade it did. They also have a potential for a "Perfect 10". This is where the card gets 10s across all four of the grading spectrums. This is the highest and most prestigious level of grades at CGC. This is a great company to get your cards graded by and have your investment protected and potentially increased in value.
Near Mint condition cards show minimal or no wear from play or handling and will have an unmarked surface, crisp corners, and otherwise pristine edges outside of minimal handling. Near Mint condition cards appear 'fresh out of the pack,' with edges and surfaces virtually free from all flaws. ''
Lightly Played condition cards can have slight border or corner wear, or possibly minor scratches. No major defects are present, and there are less than 4 total flaws on the card. Lightly Played condition foils may have slight fading or indications of wear on the card face. ''
Moderately Played condition cards have moderate wear, or flaws apparent to the naked eye. Moderately Played condition cards can show moderate border wear, mild corner wear, water damage, scratches , creases or fading, light dirt buildup, or any combination of these defects. ''
Heavily Played condition cards exhibit signs of heavy wear. Heavily Played condition cards may include cards that have significant creasing, folding, severe water damage, heavy whitening, heavy border wear, and /or tearing. ''
Damaged condition cards show obvious tears, bends, or creases that could make the card illegal for tournament play, even when sleeved. Damaged condition cards have massive border wear, possible writing or major inking (ex. white-bordered cards with black-markered front borders), massive corner wear, prevalent scratching, folds, creases or tears. ''