Antique 1920 copper bronze Cleveland swimming medal vintage sports athletics

Antique medal from 1920, over 100 years old! Nice relief work and unique design with lovely depiction of water. Unpolished. Copper tone metal, unsure of exact content. Likely bronze or copper. A lovely piece. Appropriate size/weight to be worn as a pendant or charm Diameter 1-5/16” Total Height including rings approx 1-7/16” Weight approx 15g