Check the listing for details. Vintage US Army Zig-Zag Vertical Stripe Shoulder Patch Believed Infantry Brigade. Condition: Used, Made in United States. Listed at 12.99 USD. Vintage embroidered U.S. Army shoulder patch featuring a distinctive zig-zag edged vertical stripe in olive-drab thread on black twill background. Believed to be from an infantry brigade unit, era likely mid-20th century, though exact unit identity is unverified. Shows good embroidery detail with notable age-wear on reverse (see photos). Approx. Size: ~3″ height (see measuring photo) Condition: Vintage used — front is clean, back shows wear and old stitching. A unique piece for insignia collectors or uniform restoration. Patches are shipped via standard mail (no tracking) to offer free shipping. If you prefer First Class with tracking, please message before payment for an updated invoice.