Mint : A perfect card just as it comes from the printing press. No marks, bends, or creases. No writing or postmarks. A clean and fresh card.
Near Mint : Like mint but very light aging or very slight discoloration from being in an album for many years. Not as sharp or crisp.
Excellent : Like mint in appearance with no bends or creases, rounded or blunt corners. May be postally used or unused and with writing and postmark only on the address side. A clean, fresh card on the picture side.
Very Good : Corners may be a bit blunt or rounded/light corner wear. Almost undetectable crease or bend that does not detract from overall appearance of the picture side. May have slight trace of postal cancellation mark that does not detract from the picture side. May have writing or postally used on address side.
Good : Corners may be noticeably blunt or rounded with noticeably slight bends or creases. Edges may show some wear or rubbing, loss of paper on corner tips, or noticeable creasing throughout. Item may have some light to moderate soiling. May be postally used or have writing on the address side.
Fair : Card is intact. Excess soil, stains, creases, writing, or cancellation may affect picture. Could be a scarce card that is difficult to find in any condition.