E=MC2 Lapel Pin butcher knife our coffee pins arrive packaged

our coffee pins arrive packaged on our signature presentation card

Parents placed it under their children's pillows to protect them while they slept

military style clasp back to keep your pin secure on your binocular strap

pewter anchor pins arrive packaged on our signature presentation card

Each hand-cast pewter pin is carefully designed to create a life-like effect and keep the buyer mesmerized with its careful attention to detail

E=MC2 Lapel Pin butcher knife our coffee pins arrive packagedE=MC2 Special Relativity Equation E = mc2, equation in German born physicist Albert Einsteins theory of special relativity that expresses the fact that mass and energy are the same physical entity and can be changed into each other. Show off your knowledge with our E=MC2 pin. Hand cast in solid, lead free pewter, our science pins have US made, military style clasp backings to keep your pin secure on a coat, hat, bag, or lanyard. Our energy pins arrive