United States. Department of the Treasury. Citizens Coinage Advisory Committee , United States. Department of the Treasury and United States. Bureau of the Mint. "Meeting, October 16, 2018 : Minutes" in Citizens Coinage Advisory Committee Meetings, Recommendations, and Minutes (October 16, 2018). https://fraser.stlouisfed.org/title/7136/item/646928/content/pdf/ccac20181016minutes, accessed on June 6, 2026.