Lot of twenty-one patinated or silver-plated bronze medals or plaques, including a medal from the 1878 World's Fair, a medal from the 1889 World's Fair, a medal from the Congrès Scientifique de France, three medals from the compagnie d'électricité et de France et de gaz de France, various scientific and professional medals, etc. Some in their case. Some in their case. Some wear, scratches and oxidation