The 1 Å¾ inch Millennium-STM Medals offer high detail images. They are offered in 3 colors- Antique Gold, Antique Silver, and Antique Bronze. You can also place a 1 Ë inch disc on the back of this medal for added personalization. Do not forget to add neck ribbon to complete this piece. They are easily customizable by rotary engraving, diamond drag engraving and burnishing.