Below are a list of grading values if you want to value your model train. It's pretty self explanatory and easy to read. You should be able to find out exactly what your model train is in terms of condition by looking at the guide below. Make sure you also get someone with an objective view on things to have a look at this guide and then view your model train or model train collection.
Mint Condition - This means its more then likely brand new. Must be all original and unused with no marks at all
Factory New - This is used to describe something that is unused and all original parts. It may how ever have a few marks from handling or shipping the item.
Like New - Must have all original parts, but may have slight age marks. No rust at all either.
Excellent: Must have all original parts. Might have a few nicks and scratches, but has no missing parts or distortion of parts.
Very Good: Has some minor scratches or paint damage. May have slight surface rust and may have had some minor parts replaced.
Good: Has been used and looks like it has been used occasionally. May have surface rust and minor dents.
Fair: Scratched and some paint loss. Could be dented have missing parts and will likely have rust on the surface. Looks like its had heavy use
Poor: Major work needed to be done on the body, major scratches, lots of rust and missing parts as well.
