So-Called Dollars are a type of medal or token that commemorates a specific event, person, or place, often resembling a dollar in size and appearance. The term originates from the United States, where these pieces gained popularity in the early 20th century. The 1932 So-Called Dollar is particularly associated with the celebration of the 1932 Century of Progress Exposition in Chicago. These items are typically not legal tender but are collected for their historical significance and artistic design.