If it helps, I have the original pearl parchment upholstery in my signature pic. You can see the pearl iridescence in the sunlight from some angles (but not in this pic).
Mark
68 Firebird 350 auto (sold) 70 Trans Am RAIII 400 4-speed (sold) 2011 Challenger SRT8 IE392 6-speed (sold) 2017 Challenger Hellcat 1966 Dodge Coronet 440
