Montana Silversmith The Dutton Y Yellowstone Bolo TieA licensed Paramount TV series Yellowstone concho bolo tie. This bright silver finished round concho has classic bright cut engraving flowing throughout the piece with an antiqued gold finished figure of the Yellowstone, Dutton family brand Y in the center circle. Braided leather cords have silver toned tips. One size fits most. Materials: 99. 9% fine silver and 24 karat yellow gold finish over a brass base. Montana Armor to help prevent tarnish.