Bread I found it wilderness barbour linen thread Agricultural Laugh industry
Vintage Barbour Linen Thread - Etsy UK
25/3 Linen Thread - 50 gsm - Ratchford Limited
GDH Leather Courses 2022 Threads for hand stitching leatherwork - a handy blog post offering more thread choices
Linen Thread And Why You Should Use It — Leather Beast
Barbours Natural White/Brown Linen Thread | eBay
Coats Barbour Fine Linen Thread for Leatherwork – identityleathercraft
Specimen card of Barbour products: Showing material in various stages from the Flax Straw to the finished thread.… by [TEXTILES -- LINEN THREAD SAMPLE CASE] - ca. 1920]. - from Zephyr Used
Coats Barbour : 100% Pure Linen Thread : 25/3 Waxed : 50g - Bookbinding - Autres - Atelier | Jackson's Art Supplies