Olympic medals Rio began to rust, they begin to return them to the organizers
More than a hundred medals of the Olympic and Paralympic Games, which were held in Rio de Janeiro in 2016, were returned to the organizers because of black spots and rust that appeared on them. The Brazilian Mint will correct defects, and this is at least 130 medals, mostly bronze, and will return the awards to their owners. “The most common problem is that the medals were stored incorrectly, as a result of the varnish coating, they began to rust or began to appear black spots in damaged places.