So-Called Half Dollars refer to commemorative medals that resemble U.S. half dollars but are not legal tender. They often celebrate significant events or figures in American history. Heraldic Art Medals are a type of collectible medal that features designs inspired by heraldic symbols, often commemorating specific historical figures or events. The 1975 well-known issues include pieces celebrating the Bicentennial of American independence, with various artistic representations and historical themes. Collectors value these items for their artistic merit and historical significance.

Item Denomination Series Year Mint
(1975) Silver Erie Canal 150th Anniv. Sc50c Ms Other / Varied So-Called Half Dollars & Heraldic Art Medals 1975 Unknown