U.S. National Archives (Record Group 104, Entry 214, Letters Sent 1836-1870) Publique Deposited
Letter sent from the Director's Office, 1836-1870.
The National Archives catalog entry is https://catalog.archives.gov/id/7064805. 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.