Mint Condition: The condition the instrument was in when left the factory. No signs of play wear, and still has the factory case. Very rare in older instruments.
Excellent Condition: Very clean, may have some minor finish and or play wear but, still has all the original parts and finish.
Very Good Condition: Instrument is in solid playing condition, but may have significant wear, non-original or missing parts.
Good Condition: Still playable, but may have modifications and or extensive playing wear.
Poor Condition: May have major problems and or heavily modified, may or may not be playable.