BBTS has a guideline on their different "grades" with descriptions, maybe give that a look over:
https://www.bigbadtoystore.com/Help/PackageGrading
From their grades I'd say "Collector’s Grade" would be C9-8, "Standard Grade" would be C7-6, "Substandard Grade" would be C5-4 and "Damaged Grade" would be everything else.
I'd say if there's an industry standard it's by the AFA. You can find their grading levels here:I am keen to find out the "industry standard" of the TF box condition. I googled, didn't find anything.
https://cgagrading.com/ToyGrader/grading_scales.aspx
That should also give you an idea, partner those two lists together and you should have your answers.Depends on if it's cheap or not. If the figure is 50% off because it's in damaged packing and it's something I want to open and play with then yes that's ok, but if I'm paying full price (or aftermarket prices) then I'm very meticulous. Especially if it's an expensive figure like a MP. I like to have things as close to factory condition, even if I intend on opening them.Finally, how much do you tolerate a dented/sprinkled TF box?
Several years ago I bought a TF from a Canadian seller. The toy was supposed to be MOSC and it was, until the seller folded it intentionally to fit into a smaller mailbox
I certainly wouldnt have tolerated getting that mosc figure you mention, the item should be sent in the condition it was advertised in, if the seller damages any part of it to save a few bucks on postage (without your permission) then they should be liable for sending a new one in the condition originally advertised.