United States. Department of the Treasury. Citizens Coinage Advisory Committee , United States. Department of the Treasury and United States. Bureau of the Mint. "Meeting, May 25, 2010 : Minutes" in Citizens Coinage Advisory Committee Meetings, Recommendations, and Minutes (May 25, 2010). https://fraser.stlouisfed.org/title/7136/item/646909/content/pdf/ccac20100525minutes, accessed on June 2, 2026.