Recipients: The top three competitors receive medals Shape: Usually circular, featuring an attachment for a chain or ribbon Diameter: A minimum of 60 mm Thickness: A minimum of 3 mm Material: First place (the "Gold" medal): It is composed of silver of at least .925 grade, plated with 6 grams of gold. Second place (the "Silver" medal): .925 silver.[11] Third place (the "Bronze" medal): It is mostly copper with some tin and zinc; the metal value was about US$3 in 2010.[12] Event details: The sport for which the medal has been awarded should be written on the medal