It is impossible to bring back originial mint luster. That luster can only come from the process of striking the coin -- there's nothing you can do to bring it back.
clean it with hot sauce , then polish it
They are copper and if soaked in vinegar the tarnish will come off and they will shine again.
its a metal, its a solid, its on the periodic table, pennies are made out of the material, they are ductile and can be drawn into a wire.
Lead has a metallic luster and is white in color. Aluminum, copper all also have metallic luster. Minerals do not have any metallic luster.
Luster is a physical property.
Lead has a metallic luster and is white in color. Aluminum, copper all also have metallic luster. Minerals do not have any metallic luster.
copper plating is given for good finishing of metal, for luster .
copper, gold, iron
Copper is a brownish metallic color. It's luster is a light pink when the light hits it just right.
copper, gold, iron
Copper
all metals have lustre i think
bassicly lead but with a shiny luster trust me 40%