Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. Letter From Asst. Secretary Bethea re Circulars of the Secret Service on Counterfeit Notes to Be Mailed Directly to Member and Nonmember Banks Under Board's Frank, Number R-425, Volume 50, Page 123, Mimeograph Letters and Statements of the Board. Board of Governors of the Federal Reserve System (U.S.), 1935-. https://fraser.stlouisfed.org/archival/4957/item/507270, accessed on October 15, 2026.