Informal grade guide:New - just that, in the original packaging, with all the correct paperworkNew (OTHER) - Usually unused, in complete original packaging, with instructions.
Mint, Mint(+, ++) - Previously owned and used, but in perfect cosmetic and functional condition.
Mint(-) - Lower range of the mint. Shows few minor marks.
Excellent(+) - Between Mint and Excellent.
Excellent
- Light signs of use. Might have slight marks and/or dings on finish,
typically on corners. Glass very clean, but may show minor cleaning
marks.
Excellent(-) - Between Excellent and Good.
Good Condition - Shows average wear. May have slight ding
Fair - Shows much more than average wear. May have dents, dings and good amount of finish loss, but is generally fully functional.