Re: found this while stripping my chevelle
 

Someone was right in saying it was not from the assembly line, but it could have been from a spot repair station in the plant. They might have had a bad door and replaced it with another and that pistol grip squirter may have put in some air drying sealer.

Re: found this while stripping my chevelle
 

original paper was in place. if anyone wants the canister just pay for shipping and its yours. thanks for all the info guys