Zudo

I am finishing my wife's 1971 240z and was wondering if anyone know if there was a decal below the tune up / emissions decal that had the weight of the car? I have seen stickers for a 1972 and later Z cars but have not seen anything about a 1971 240Z to know if they had a sticker and what it is supposed to look like? I know the 1971 is supposed to be around 2305lbs so that later stickers I have seen for 2700 lbs is for the 1972/73. Anybody know more about this?