Read the full definitions on the card condition guide. Centring is a print characteristic, not damage, so a badly centred card can still be Near Mint. Vintage holos are rarely Near Mint because the foil scratches under ordinary handling.
Guide
How Pokémon card condition works
Every single on this site is graded by hand against a five-step scale: Near Mint, Lightly Played, Moderately Played, Heavily Played and Damaged. The grade is a description of wear, not a prediction of value.