PSA states that for a card to achieve its PSA 10 grade, a gold standard in the industry, a card must have 55/45 to 60/40 percent on the front, and 75/25 percent on the reverse. Corners : cards with perfect corners at a glance gain the highest ranks
Another thing to consider is that Amazon does not always package items with care
Containing 18 booster packs straight from the Pokemon Company
In recent years, special illustration rares, alternate arts, and promo cards from limited releases or Elite Trainer Boxes have also gained significant value
English and Japanese cases use different distribution structures: SECs per case: Japanese ~4 (stated as case guarantee)
Similar to Alternate Art cards, reprints are cards that feature the exact same card text and character, but with revised artwork or design elements