United States. Department of the Treasury. Citizens Coinage Advisory Committee , United States. Department of the Treasury and United States. Bureau of the Mint. "Meeting, April 27, 2010 : Minutes" in Citizens Coinage Advisory Committee Meetings, Recommendations, and Minutes (April 27, 2010). https://fraser.stlouisfed.org/title/7136/item/646831/content/pdf/ccac20100427minutes, accessed on June 5, 2026.