Show your support for our street protectors with the Thin Blue Line American Flag Skull Pin. It is die struck from a jewelry metal, with 2 cut out eyes, soft enamel color filled, and silver plated. The American Flag Skull Pin is a patriotic take on our Thin Blue Line Skull Pin. It is die struck from a jewelry metal, with 2 cut out eyes, soft enamel color filled, and silver plated. Wear these on your leather jacket, suit lapel, or backpack. These pins include a standard clutch back and are individually poly bagged.