CFR › Title 25 › Part 301Part 301 — Navajo, Pueblo, and Hopi Silver and Turquoise Products; Standards§ 301.1— Eligibility for use of Government stamp.§ 301.2— Specifications of material.§ 301.3— Specifications of dies.§ 301.4— Application of dies.§ 301.5— Applique elements in design.§ 301.6— Stone for ornamentation.§ 301.7— Stonecutting.§ 301.8— Finish.