The Keys Category consists of seventy-nine artifacts arranged into the sub-categories of Corporate, NASA, and Senate. Contained within this category is a wide assortment of ceremonial keys to cities in the United States, Europe, and Japan presented to John Glenn between the years 1959 and 1998. The bulk of the keys in the Senate sub-category were presented to Glenn and his daughter, Lyn, during Glenn's 1984 presidential campaign.