So-Called Dollars refer to a category of commemorative tokens and medals that are not official currency but were issued to commemorate specific events or individuals. The term is largely associated with the Hibler and Kappen catalog, which classifies these items. The 1954 One Dollar So-Called Dollar from the United States features designs that are often linked to significant historical events or anniversaries, making them popular among collectors interested in numismatics and U.S. history. These pieces can vary widely in rarity and value, depending on their design, mintage, and historical significance.