I would just give Andrews a ring and discuss the problem instead of getting all tied up in knots first. My dealings with Lee have all been good and fair so there is a good chance that he will come to the party, after all the amount of use for the rust is a bit of a worry. Mine is getting a few rust marks on it now but, boy, its had some real weather on it for a fairly long period now. I an starting to think a nice gold coloured tube on a mango colured mount will look great