So-Called Dollars are a type of commemorative medallion or coin that typically celebrate an event or person and are not official currency. The term originates from the 19th-century United States, notably during the 1869 arrival of the Pacific Railroad. These items often feature unique designs and serve as collectibles for enthusiasts, with the Hibler and Kappen catalog providing comprehensive documentation for collectors. The 1 One Dollar pieces exemplify the historical context and artistry associated with these collectibles.