U.S. National Archives (Record Group 104 [Denver], Sequence 77, Miscellaneous Correspondence) (1897)
Denver Mint correspondence scanned at the National Archives (NARA) in Denver - covering the period 1897-1994. NARA identifier is record group 104, 8NS-104-94-077. Box 2, Folder 5. Folder 5 title: “Die bolt Safe and Lock Co; Vaults, vault Doors, 12/01/02.” Courtesy of John Graffeo.