The 1938 So-Called Dollar is a type of commemorative medal or token rather than a traditional coin. These pieces are typically created to commemorate a specific event or person and often have a dollar denomination to signify their intended use in public transactions. The term "So-Called Dollar" refers to a specific category of medallions that resemble U.S. dollars but do not have the legal tender status. The 1938 issues often celebrate significant anniversaries or events in American history, reflecting cultural or historical significance.