United States. Department of the Treasury. Citizens Coinage Advisory Committee , United States. Department of the Treasury and United States. Bureau of the Mint. "Meeting, September 27, 2018 : Committee Recommendations" in Citizens Coinage Advisory Committee Meetings, Recommendations, and Minutes (September 27, 2018). https://fraser.stlouisfed.org/title/7136/item/646949/content/pdf/ccac20180927recommendations, accessed on June 2, 2026.