Challenge Coin Display - Holds Coins and Medals up to 2 (2" Clear) QUALITY: A brilliant, quality display frame that highlights your coins or medals COIN SIZE: Excellent fit for 2 inch coins (52mm) and medals, for thickness of coins up to 5 mm DISPLAY SIZE: Self-standing frame, that allows for a sleek, clean look; actual size of frame is 3 1/2 SIMPLE: No tools required, held together by 4 powerful magnets, easily open and insert your medallion or coin Coins NOT included. Please measure coins as closely as possible for the best fit. Other sizes and adapters are available for purchase if not the right size and fit.