United States. Department of the Treasury. Citizens Coinage Advisory Committee , United States. Department of the Treasury and United States. Bureau of the Mint. "Meeting, July 26, 2011 : Federal Register Notice" in Citizens Coinage Advisory Committee Meetings, Recommendations, and Minutes (July 26, 2011). https://fraser.stlouisfed.org/title/7136/item/646865/content/pdf/ccac20110726notice, accessed on June 8, 2026.