M  - reserved for sealed records.

NM Near Mint with no more than a couple insignificant defects.

EX  Plays just a little short of NM

VG+ Used but not abused. Will have audible imperfections but no serious problems.

VG A well used record that still sounds OK but will have some pops &/or surface noise but nowhere near the volume of the music

VG- A very worn record that plays through without repeating or has a skip that loses more than a couple of notes/words.

It will have defects that will be noted.