This piece is an original earlier model Tonemaster.  It currently shows a lot of (what I think is) nickel plating, most of the original gold plating is gone.  Some corrosion is present on the table area, not very significant.  It has lived a bit, probably could be optimized but generally in very good condition.  The tip still has a good amount of metal on it should someone want to open it up, but what is really remarkable is the very significant original baffle, which these usually do not have.