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 19, 2013 : Minutes" in Citizens Coinage Advisory Committee Meetings, Recommendations, and Minutes (April 19, 2013). https://fraser.stlouisfed.org/title/7136/item/646826/content/pdf/ccac20130419minutes, accessed on June 14, 2026.