U.S. National Archives (Record Group 104, [Denver] Sequence 24, Correspondence Relating to Major Additions to the U.S. Mint at Denver, 1905 - 1906) Pubblico Deposited
National Archive series description: This series consists of correspondence from suppliers and contractors pertaining to modifications done to the U.S. Mint in Denver..
The National Archives catalog record is https://catalog.archives.gov/id/2327684. See also the National Archives & Records Administration numismatic finding aids at https://nnp.wustl.edu/library/archivedetail/538870.
National Archives series identifer is 8NN-104-91-024. Scanned at the National Archives in Denver, CO, courtesy of John Graffeo.