Agree with all of the above. I know some people just go ahead and mark everything as NISB, because someone else`s idea of MISB may be different, and thus you have an issue. I`ve done this form day one as a seller, everything goes NISB even if it may be MISB, I just fear someone getting the item and making a fuss over some minor imperfection that they perceive as being different form what I would. Paranoid maybe, but I don`t want the headache. Doesn`t affect the value that much if at all anyway, so you can either play it safe or not. All depends on how you want to list/sell whatever set it is you are selling.