NM = Clean & quiet playback, no visual signs of use.
EX+ = No scratches allowed, clean playback, a few light handling/cleaning traces and a few minor scattered noises allowed.
EX = Like EX+ with superficial marks / hairlines allowed (clean playback).
EX - (minus) = A few minor surface marks allowed (described in listing) still overall clean and perfectly enjoyable playback.
VG+ = Like EX- but with problematic issues (described in listing), still overall enjoyable playback.
VG = Only rareties or novelties would be considered listed in this category (issues described in listing)