(09-02-2015, 06:59 AM)Muddy Poppins Wrote: Just a guess, but I believe the graying is from cigarette smoke...
I have had several that have been discolored as well. Most of the ones I have seen have had a yellow tinge to them. I usually just use them for parts at that point.
Maybe post some pics though, it could be maybe a newer vs older one or something?