Certificates shall be fastened to the woven fabric by wire caught in a lead seal disc that shall be impressed and made fast with the hand seal press furnished by the Indian Arts and Crafts Board.
source: The provisions of this part 307 contained in regulations governing the use of Government certificate of genuineness for Navajo all-wool woven fabrics, Oct. 20, 1937, unless otherwise noted.
cite as: 25 CFR 307.11