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 23, 2020 : Minutes" in Citizens Coinage Advisory Committee Meetings, Recommendations, and Minutes (September 23, 2020). https://fraser.stlouisfed.org/title/7136/item/646943/content/pdf/ccac20200923minutes, accessed on May 31, 2026.