U.S. National Archives (Record Group 104, Entry 216, Letters Received from Branch Mints and Assay Offices, 1834-1873) Öffentlichkeit Deposited
Letters received from Branch Mints and Assay Offices, 1834-1873.
The National Archives catalog entry is https://catalog.archives.gov/id/7065057. See also the National Archives & Records Administration numismatic finding aids at https://nnp.wustl.edu/library/archivedetail/538870.
Newman Portal acknowledges Roger W. Burdette for sharing documents in this NARA entry.