That can artwork is different from mine, and cap is a lighter color too.
Bought mine from Home Depot for under $5 a few months ago. Cap has texture. Bought it out of curiosity and it turned out nearly a perfect match for Duster grille argent; not the sharktooth silver but the '70 grille. The car in question is not a dead-nuts resto, but I'd bet it would fool all but the most hardcore guys. Lacks enough black flecks and the shade is less brownish when compared as a butt-match to a mint OEM part.