Charm, plated brass, 10x12mm stamped, butterfly. Stamping is a metal-making technique that stamps the metal into its desired shape using a die or press tool with a specially designed cavity. This process allows for intricate detail and precision cutting. Drops vary in thickness. Flowers, half-moons, teardrops, double hearts and butterflies are convex; leaves, ovals, discs, clasps and triangles are solid.