Photos that show how Olympic medals have changed over the last 120 years

The design for Olympic medals changes enormously depending on the Games. Here's what they've looked like throughout the years.
Read more: http://www.techinsider.io/what-do-olympic-gold-medals-look-like-and-how-have-they-changed-2016-8/#st-louis-1904-the-obverse-shows-a-triumphant-athlete-in-front-of-a-bas-relief-illustrating-the-classic-sports-from-antiquity-5?source=Snapzu