Pentax

New	Never used before with original packaging and intact seal.
Mint	No signs of use, like just leaving the shop.
10	Close to Mint but possibly with very light user marks.
9	A few light user marks or some mild wear.
8	Light to moderate user marks, slight brassing, light scratches.
7	Well used, possibly has minor dings or scratches, obvious brassing.
6 & below	Heavily used, possibly with scratches and dings, but functional. May have heavy dings / scratches.
Not working	Not working or need repair to work again.