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 22, 2020 : Federal Register Notice" in Citizens Coinage Advisory Committee Meetings, Recommendations, and Minutes (September 22, 2020). https://fraser.stlouisfed.org/title/7136/item/646941/content/pdf/ccac20200922notice, accessed on June 13, 2026.