Nobel Prize medal — Front side (obverse) of one of the Nobel Prize medals in Physiology or Medicine awarded in 1950 to researchers at the Mayo Clinic in Rochester, Minnesota.
Photo Credit: By Photograph: JonathunderMedal: Erik Lindberg (1873-1966) - Derivative of File:NobelPrize.JPG, https://en.wikipedia.org/w/index.php?curid=58432969