In our STAMPED metal pins, there are raised parts and recessed parts. The recessed parts are usually filled with soft enamel or new enamel colors and the raised parts are polished and plated. Nevertheless, a lot of the items are done without colors (for pars or whole) to have the comparison of SHINE & MATT. Material : Iron/ Copper/Sterling SilverEnamel : Soft Enamel /New Enamel/Color resi