So I got an MR55A for cheap and am in the process of restoring it. The thing must have sat in an attic or barn for years as it was in terrible condition visual wise. Definitely needs a recap also (one of the bumblebees is visibly split). Two things I was thinking though. The brass finish is badly pitted and corroded. I'm thinking it might be best to just sand it and give it a brushed look instead. The paint is not good either so I might just repaint that and carefully repaint the lettering too. Anyone done this before? Also, how tight is the tuning mechanism supposed to be? On newer stuff you can kind of spin the tuner, but this one there is a bit of resistance even though it moves freely.