St. Christopher Silver Plated Colored Surf Medal - Large Baby Aqua/Aqua The original Surfer Medal. Size of a quarter. Large St. Christopher - 2.1 cm silver-plated brass medal. Durable enamel finish in a wide variety of colors. Includes a 24" fully-adjustable ball chain (silver-plated nickel). Each medal comes poly bagged with a hangtag (story tag).