Mint. As good as new. Minimal signs of storage (pressure mark, slightly bumped corner or corner rounding) may be present.
As new with slight signs of use or storage, e.g. slightly bumped corners or slight bending marks in the fold (lightning), very small creases.
Clearly recognizable signs of use or storage such as creases, soiling, small tears, loose inner pages, small missing parts (tears).
Complete, but often read copy with clear signs of wear. Additional defects may include: neat gluing, minor missing parts, heavy fold damage. The cover or the center page may be detached.
Worn copy. Possibly missing parts or loose pages. May be soiled, stained or soiled.