"it seems to nice to use?"
That could very well be a choice.... not to use it at all.....some of the nicer older ones are "Lookers, not Cookers..."
It is up to you, I would probably cook on it carefully a few times & then clean it to the high skies & put in inside as a museum piece....
Redhed thread is in "Weber Kettles & Accessories "....the same section you're in now, about 5 or 6 posts down currently.....