YMCA 1930's 40's Gold / Copper Enameled Swimming Medal FOB Key Mass RI pre WWII

YMCA 1930's or 40's Gold / Copper Enameled Swimming Medal FOB Key Mass RI WWII I do not have much information on this. Not sure on the composition. Has red enameled area. Copper or brass base. Gold tone center. I placed a half dollar next to so you can get an idea on size. There is no date on the key. Most likely 1930's or 1940's.