Great American Triumphs – Kennedys Inauguration – 1.15 oz Sterling Silver – 1961 – COA – Beautiful high relief medal originally struck by the Wittnauer Mint under a commission of the Longines Symphonette Society. This medal was struck from 36 grams of Sterling Silver for an Actual Silver Weight (ASW) of 1.07 ounces of pure silver and has a diameter of 40 millimeters (1 9/16 inches). The medal comes with a Certificate of Authenticity.