So-Called Dollars refer to a category of medals and tokens that are not official currency but were produced to commemorate events, people, or places, often resembling a dollar in size. The Hibler-Kappen reference is a cataloging system used by collectors to identify and classify these pieces, particularly focusing on those from the United States. The year 1923 saw the issuance of various So-Called Dollars, which are sought after for their historical significance and artistic design, making them popular among collectors.

Item Denomination Series Year Mint
1923-Dated Hk-894i National Guard Encampment Sc$1 Other / Varied So-Called Dollars - Hibler & Kappen 1923 Unknown