Note: My ratings are subjective, so please don't be really disappointed if you find it differently.
EX= SVHS Master for subtitler.
VG= Very Good Almost perfect directly from subtitlers, and 1st or 2nd generation.
GD= Good with slight problem such as a few glitches maybe from a 3rd generation.
OK= Ok with some problems maybe 4th or 5th generation. The audio might be muffled or mightbe hissed sound, and OR the picture might have some glitches.
Poor= It's not a good copy but watchable order at your own risk.