U.S. National Archives (Record Group 104, Entry 330, Cashier's Daily Statements)
Biography
Roger W. Burdette description: Entry 330. Cashier’s Daily Statements 1913-1941. 51 boxes. Daily cashier’s reports from each mint and assay office. Often missing substantial periods. Many of these are in the incoming correspondence (entry 229) boxes. Good for verifying production dates and transfers of coin/bullion.
National Archives catalog record: https://catalog.archives.gov/id/7077514. See also the National Archives & Records Administration numismatic finding aids at https://nnp.wustl.edu/library/archivedetail/538870.