25 C.F.R. § 301.3 Specifications of dies.
Title 25 - Indians
Dies used are to be entirely hand-made, with no tools more mechanical than hand tools and vise. Dies shall contain only a single element of the design.
Title 25: Indians
PART 301—NAVAJO, PUEBLO, AND HOPI SILVER AND TURQUOISE PRODUCTS; STANDARDS
§ 301.3 Specifications of dies.
